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API AQUARIUM SALT Freshwater Aquarium Salt 67-Ounce Box (Packaging May Vary)

4.7 4.7 out of 5 stars 21,762 ratings
$11.98
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67 oz
Aquarium Treatment
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Purchase options and add-ons

Brand API
Item Weight 4 Pounds
Item Form Granules
Target Species Fish
Allergen Information Gluten Free

About this item

  • Contains one (1) API AQUARIUM SALT Freshwater Aquarium Salt 67-Ounce Box
  • Promotes fish health and disease recovery with increased electrolytes
  • Improves respiration for fish in freshwater aquariums
  • Made from evaporated sea water for all-natural results
  • Use when changing water, when setting up a new freshwater aquarium and when treating fish disease

Customer ratings by feature

Stability
5.0 5.0
Easy to use
4.7 4.7
Value for money
4.7 4.7
Suction power
4.6 4.6
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From the manufacturer

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It’s Smart To Be Proactive!

The best way to keep your aquarium clean is to maintain good water quality. This will keep your fish strong and vibrant, as well as preventing disease.

How Do I Maintain A Healthy Environment?

It is important to test your aquarium water weekly to verify good quality in addition to a bi-weekly partial water change of no more than 25% to help reduce toxic buildup, remove debris the filter missed, and replenish the oxygen available to fish.

How Do I Take Good Care Of My Aquarium & Fish?

  • Feed & observe fish daily
  • Test water quality weekly
  • Change 25% water every 2 weeks
  • Restore your ecosystem monthly

Feed Your Fish Daily

Feed your fish twice daily with API Fish Food which contains nutritionally enhanced proteins, allowing for easy uptake of nutrients and maximum absorption, resulting in less excrement for clear, clean water. Take time to observe fish to ensure they are active & healthy and be sure to check water temperature.

FEED FISH DAILY

TEST WATER QUALITY WEEKLY

CHANGE 25% WATER EVERY 2 WEEKS

RESTORE ECOSYSTEM MONTHLY

api freshwater master test kit reducer remover aquarium tank bowl clean cleaning clear maintenance sludge muck accessories benefici green algae bloom string hair plant safe treatment algaecide growth control block reduce remove conditioner tap city rural aloe vera damage fin skin disease chlorine toxic neutralize slime synthet water conditioner new fish prevent dead loss kill start up ammonia bacteria natural all-natural antibacteria infection repairs rot tail eye cloud mouth fungus remedy ulcers wounds injured
API TEST KITS API STRESS ZYME API FIX API STRESS COAT API QUICK START API MELAFIX
Customer Reviews
4.8 out of 5 stars
28,316
4.7 out of 5 stars
10,975
4.3 out of 5 stars
8,528
4.8 out of 5 stars
23,712
4.7 out of 5 stars
12,199
4.6 out of 5 stars
5,744
Price $35.98 $13.94 $16.99 $10.98 $17.38 $10.99
Use Weekly Helps monitor water quality Keeps aquarium clean
Use Every 2 Weeks Makes tap water safe when changing water Restores the ecosystem to help prevent fish stress
Use Monthly Restores the ecosystem to help prevent fish stress
Use When Adding New Fish Prevents disease breakout
boy feeding fish

Making A Better Underwater World

At API, we understand the rewards and relaxation of fishkeeping because we have a passion for fish too. For almost 60 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because we’re dedicated to making a better underwater world.

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API AQUARIUM SALT Freshwater Aquarium Salt 67-Ounce Box (Packaging May Vary)

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Product Description

A lack of electrolytes in aquarium freshwater may cause serious health problems for freshwater fish. API AQUARIUM SALT supplies electrolytes to improve fish respiration. Made from evaporated sea water and containing natural active ingredients such as a natural fish tonic, API AQUARIUM SALT promotes the overall health of your fish by improving their gill function and reducing stress in a freshwater aquarium. This all-natural salt provides the essential electrolytes fish need for the uptake of oxygen and release of carbon dioxide and ammonia through the gills. API AQUARIUM SALT should only be added to reduce stress during new freshwater aquarium setup and water changes or to promote disease recovery when solving specific fish health issues. Use API AQUARIUM SALT when setting up a new freshwater aquarium, when changing water or treating disease. Make sure to take extra care when using salt with live plants, as some plants may be sensitive. With API aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For almost 60 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because we’re dedicated to making a better underwater world. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. At API, we understand the rewards and relaxation of fishkeeping because we have a passion for fish too.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 8 x 8 x 10 inches; 4 Pounds
  • Item model number ‏ : ‎ 106C
  • Department ‏ : ‎ Unisex-Adult
  • Date First Available ‏ : ‎ June 20, 2004
  • Manufacturer ‏ : ‎ Mars Fishcare
  • ASIN ‏ : ‎ B0010P0ZJK
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.7 4.7 out of 5 stars 21,762 ratings

Top Brand: API

Highly Rated
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Important information

Directions

An all natural salt, made from evaporated sea water. Helps improve gill function to reduce stress. Reduces electrolyte loss and promotes healthy gill function. Can be used with most aquarium remedies to improve recovery from disease.

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API AQUARIUM SALT Freshwater Aquarium Salt 67-Ounce Box (Packaging May Vary)
API AQUARIUM SALT Freshwater Aquarium Salt 67-Ounce Box (Packaging May Vary)
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Price$11.98$23.49-5% $19.75
List: $20.80		-29% $12.48
List: $17.48
Delivery
Get it as soon as Saturday, May 11
Get it as soon as Saturday, May 11
Get it as soon as Saturday, May 11
Get it as soon as Saturday, May 11
Customer Ratings
4.74.7 out of 5 stars21,762
4.54.5 out of 5 stars10,128
4.84.8 out of 5 stars3,665
4.64.6 out of 5 stars4,863
Stability
5.0
4.3
4.7
4.1
Easy to use
4.7
4.3
4.8
4.3
Value for money
4.7
3.9
4.7
4.1
Accuracy
4.6
5.0
5.0
3.5
Sheerness
4.5
—
5.0
4.0
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
target species
Fish
Fish
Fish
Fish
liquid volume
0 gallons
16 fluid ounces
500 milliliters
16 fluid ounces
form
Granules
Liquid
—
Stick
weight
4 pounds
454 grams
1.15 pounds
1 pounds

Customer reviews

4.7 out of 5 stars
4.7 out of 5
21,762 global ratings

Customers say

Customers like the quality, size and pain relief of the aquarium pond water treatment. They mention that it works when treating sick or stressed out fish, improves fish health and is very good for gill function. They appreciate the appearance, value and ease of use. Opinions are mixed on salt and dissolves.

AI-generated from the text of customer reviews

320 customers mention294 positive26 negative

Customers are satisfied with the quality of the aquarium pond water treatment. They mention that it works when treating sick or stressed out fish, is very good for gill function, and helps enhance treatments. Some say that it helps restore some fish that get a little stressed out. Overall, most are happy with the product's quality and effectiveness.

"...Its a great value and a great size. It doesn't hurt my plants or my fish. I definitely recommend this product." Read more

"I love that this keeps the water nice for my fish. I use it in my Betta tank and also for my guppies...." Read more

"This product is really helping me with my tanks, keeping my fish healthy and happy...." Read more

"...This may look like a tattered or ripped fin. Betta fins are very delicate...." Read more

295 customers mention282 positive13 negative

Customers appreciate the value of the aquarium pond water treatment. They mention that it works great, is big size for great price, and helps keep the fish healthy and happy.

"I use this salt every water change. Its a great value and a great size. It doesn't hurt my plants or my fish. I definitely recommend this product." Read more

"...I like that it is a normal sized container and at a reasonable price. Great buy. Fish stay healthier with it." Read more

"...Compared to other retailers the price is good considering the volume you get. Plus the convenience of not going to a store is nice...." Read more

"Awesome for the price . Thanks" Read more

57 customers mention52 positive5 negative

Customers find the aquarium pond water treatment easy to use. They say it's simple, affordable, and a very simple solution for a variety of health issues. They also say it comes with great instructions on how to use it for your fish tanks and ponds. Customers also mention that it'll pour for accurate dosing and is perfect for their needs.

"Easy to use and use just a touch." Read more

"Easier to use than table salt" Read more

"...It is great to use this in unique circumstances. Occasionally, I've used it when I haven't decided what (or if) meds should be dosed...." Read more

"...and shrimp were unharmed (including berried shrimp) so it was perfect for my needs." Read more

40 customers mention40 positive0 negative

Customers find the pain relief of the aquarium pond water treatment to be great. They say it helps with healing and preventing infections, and is good for treating ICH. Some customers also say it's good for gill function and helps enhance treatments when using medications to battle parasites.

"Mr. Love definitely enjoys his new salt, it relaxes him...." Read more

"...most fish heal very well with this. sometimes the best treatment truly is the simplest" Read more

"...It really does help to improve gill function, reduce stress, facilitate osmoregulation and promote disease recovery. I would give it a solid 5.0/5.0...." Read more

"...Things like, electrolytes, improved breathing, illness prevention, etc. I will say that I saw an immediate improvement from my fish...." Read more

37 customers mention37 positive0 negative

Customers are satisfied with the appearance of the aquarium pond water treatment. They mention that it's wonderful, awesome, and perfect. Some say that it restores vibrant colors and gills.

"Have used this product and brand for years. Good stuff. My fish appreciate it." Read more

"...When I woke up I saw that they were still alive and looking so much better!..." Read more

"Honestly this stuff is amazing and was something I definitely needed...." Read more

"...good luck keeping Mollies alive in but after adding the salt they not only look great, they are breeding constantly...." Read more

34 customers mention26 positive8 negative

Customers like the size of the aquarium salt. They say it's a very big container that will last a lifetime. Some say it is easy to add and store.

"I use this salt every water change. Its a great value and a great size. It doesn't hurt my plants or my fish. I definitely recommend this product." Read more

"...I like that it is a normal sized container and at a reasonable price. Great buy. Fish stay healthier with it." Read more

"...They are even growing larger and and allowing me to propagate them!..." Read more

"...1- The granules vary, but some are quite large...." Read more

95 customers mention52 positive43 negative

Customers are mixed about the salt. Some mention that it's good aquarium salt at a great price on Amazon, and that it keeps their fish healthy. However, others say that it spills out of the box and remains in the aquarium when water does evaporate.

"...I am a BIG believer that salt keeps my fish healthy...." Read more

"...for my sister and both boxes had a hole in them and salt was spilled in the shipping box." Read more

"...Otherwise the salt is great for my freshwater tank. Would prefer smaller granules because they desolve easier" Read more

"...Salt does not evaporate with water, so it remains in the aquarium when water does evaporate, for this reason, salt should only be added again when..." Read more

30 customers mention17 positive13 negative

Customers are mixed about the dissolves. Some mention that it dissolves quickly and eliminates problem with having the salts dissolve. However, others say that the large grain size makes it take a while to dissolve.

"...I also appreciated the packaging mentioning that the salt does not evaporate so be careful not to compound it...." Read more

"I use this to do salt dips for my shrimp. It takes a bit to dissolve but it’s exactly what I need." Read more

"What can I say is salt. One thing I noticed is that it dissolves a lot faster than the cheap brand.....Jungle Salt I think...." Read more

"This salt does not dissolve like the salt I get from the pet store...." Read more

Both containers leaked
5 Stars
Both containers leaked
I ordered these for my sister and both boxes had a hole in them and salt was spilled in the shipping box.
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Top reviews from the United States

kaysie bryan
5.0 out of 5 stars Great salt
Reviewed in the United States on March 28, 2024
Size: 67 ozStyle: Aquarium TreatmentVerified Purchase
I use this salt every water change. Its a great value and a great size. It doesn't hurt my plants or my fish. I definitely recommend this product.
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Getmepretty
5.0 out of 5 stars Fish love it
Reviewed in the United States on February 11, 2024
Size: 16 ozStyle: Aquarium TreatmentVerified Purchase
I love that this keeps the water nice for my fish. I use it in my Betta tank and also for my guppies. I like that it is a normal sized container and at a reasonable price. Great buy. Fish stay healthier with it.
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Maria Lara
5.0 out of 5 stars Awesome size for large thanks!
Reviewed in the United States on April 1, 2024
Size: 67 ozStyle: Aquarium TreatmentVerified Purchase
This product is really helping me with my tanks, keeping my fish healthy and happy. In retail stores I can only find the smaller version which I use really fast and have to end up spending more money. Glad I could find this size here! And the product was delivered with no openings or spillage of contents!
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Alexa M.
4.0 out of 5 stars Used to help Betta fin rot, minor complaints (Betta fin rot information included if you need help!)
Reviewed in the United States on August 21, 2019
Size: 67 ozStyle: Aquarium TreatmentVerified Purchase
I purchased this API aquarium salt for it's healing properties in my freshwater Betta tank. He was coming down with a tiny section of fin rot because of poor water quality for a short period of time. This, along with very frequent 25%-50% water changes helped heal his fin rot. (The water changes alone may have worked fine, but I wanted to add salt for extra help in regrowth.)

I really only have 2 complaints:

1- The granules vary, but some are quite large. Even by adding them to a small cup of boiling water and stirring frequently it took several minutes to properly dissolve. If not dissolved properly and added gradually it can burn your fish!
2- The directions are not very clear. They are listed in 3 languages, so that's nice, but there is plenty of room for more clarity on dosing your tank. (The product label is on 2 of the 4 sides so they could actually use another side for information to add clarity.) It states that you can either add 1 rounded tablespoon for every 5 gallons OR 1/2 rounded teaspoon for every gallon. The fist measurement gives you a 1 tbsp to 5 gallon ratio while the second measurement give you a 0.83 tbsp to 5 gallon ratio. I guess it's trying to be helpful for those with a tiny bowl or small hospital tank??? It mentions NOTHING about dissolving the salt first or adding it gradually. If you are treating your fish and don't happen to learn that in your own research, then you may end up just plopping the measurement into your tank and harming your fish.

***I do appreciate that it mentions that some live plants may not tolerate the salt. I chose to risk it and many did ok. They didn't grow much, but didn't seem harmed. A few did lose leaves and kinda melt away though. I simply removed those that were not tolerating the salt for the time being.

***I also appreciated the packaging mentioning that the salt does not evaporate so be careful not to compound it. For example, when I did a 25% water change, I dissolved and added 25% of the salt I had previously dosed my tank with to the new dechlorinated water.

Compared to other retailers the price is good considering the volume you get. Plus the convenience of not going to a store is nice.

NOTE ON TREATING BETTA FIN ROT:
(Just thought I'd add this in hope that it might be helpful for someone.)

Fin rot is common, so don't feel horrible if you are dealing with it. Doing lots of research before any treatment is very important! Anyone can type anything on the internet that information will pop up in a google search. Read lots of different opinions, watch many reputable/informative videos and do your best to understand why your Betta has fin rot in the first place.

If you don't have a heater or filter this is the first change your should make when combatting fin rot. All Bettas (even healthy ones) with benefit from these tank additions. (If your house temperature NEVER falls below 78F you may not need need a heater, but most of us do for at least part of the year. It can easily be unplugged or removed when not needed.) Bettas don't like a strong current so a sponge filter works great. If you have a filter that is built into your aquarium or came with a set, there probably an easy way to baffle it for your Betta's comfort. I added an aquarium sponge to the output of mine.

Your could be biting it's own fin which looks like bites taken out opposed to a fraying or melting of the fins. This often happens on the caudal (think tail) fins pretty much in line with where your Betta's mouth could reach. You may even observe your Betta seemingly "chase its tail." My research tells me this often happens when a Betta is unhappy so consider if your tank is large enough. Betta's enjoy stimulation so a Betta leaf, hide and silk plants are an easy addition to try if you don't already have them.

The fin damage could be caused by sharp objects in the tank. This may look like a tattered or ripped fin. Betta fins are very delicate. It's good to check all decorations thoroughly by rubbing your fingers over them. You can possibly alter them to make them safe (like sanding down a rough area of driftwood) but be sure that only soft items are in your tank. Even some plastic plants may be damaging your Betta's fins so many people recommend silk or live plants only.

Unclean water may have caused your fin rot. Even if it looks clear to you, it may be full of harmful ammonia, nitrites or nitrates. If you don't have a test kit, investing in one will help keep your Betta healthy. The API master test kit provides LOTS of tests and is very accurate.

For me, I learned that I was not cleaning my tank the best that I could. I house 1 male Betta and 2 Nerite snails in a 5 gallon planted tank. Nerite snails help with algae, but they also poop a lot, so there was lots of animal waste my tank. Because I have a planted tank and was trying to allow some plants to carpet the bottom, I did not agitate my substrate enough when cleaning. I was also not consistent with my weekly water changes when work got busy. Big mistakes that led to a little fin rot.

Along with 25% weekly water changes to reduce waste it is important to gravel vac the detritus up from your tank so that bad bacteria does not grow in your substrate. Use your siphon to press down into the substrate. Once you see lots of substrate getting pulled up (along with the detritus) lift the siphon a few inches out of the substate and give it a wiggle. This should release the substrate but allow the detritus to continue up the tubing. (If substate gets caught and slows down suction it can easily be removed by taking out your siphon and piking it with a clean wooded skewer.) If you are working around plants, do this method to the exposed substrate only. Wiggle the vac or use a clean/unused wooden chopstick or skewer to agitate around the substate of your plant. This will make the detritus start to float into the water and you can suck it up there.

I also find it helpful to take a new toothbrush that I have designated for tank cleaning to the leaves of my plants. I noticed some brown algae (diatom) buildup forming on them. I initially thought they may be dying, but the brown layer came off easily and once removed it helped them grow better. On smaller leaves I just gently rubbed it off with my fingers. I use the same brush to scrub off my driftwood. You can use it on the inside glass of your aquarium too if you have a large buildup of algae, but if not then you don't need to.

I have moss glued to my driftwood so I use my hands to agitate that and sometimes pull or trim off excess or weakened growth. This helps encourage new growth. I plop any removed moss into an open mason jar full of dechlorinated water and set it on the window sill to grow more fresh green algae over a month or so. Sometimes I replace that water and sometimes I top it off with a splash of old aquarium water for some plant nutrients.

It is also important to note that if you have any uneaten food (pellets that fall or messy bits from a frozen food feeding) you should pull out your siphon and remove them within a few minutes. They will pollute your tank and cause problems for your fish (and you).

Sometimes you have to learn the hard way, but cleaning your tank is often more involved than just scooping out some water once in a while! Good luck with your fin rot and don't forget to do your research!
342 people found this helpful
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ANNIE
5.0 out of 5 stars Easy to use and water quality nice
Reviewed in the United States on April 18, 2024
Size: 67 ozStyle: Aquarium TreatmentVerified Purchase
Awesome for the price . Thanks
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Ruth Gomez
5.0 out of 5 stars Excellent product and fast delivery.
Reviewed in the United States on March 25, 2024
Size: 33 ozStyle: Aquarium TreatmentVerified Purchase
A+++
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Tracy M
5.0 out of 5 stars Salt
Reviewed in the United States on March 20, 2024
Size: 33 ozStyle: Aquarium TreatmentVerified Purchase
Really conditions & keeps my aquarium clean. Wished it dissolved faster.
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Mike Fina
5.0 out of 5 stars Sea salt for aquariums and fish tanks
Reviewed in the United States on February 2, 2024
Size: 67 ozStyle: Aquarium TreatmentVerified Purchase
This salt is a great additive to keep some freshwater fish with brackish water
Also helps restore some fish that get a little stressed out
This large container is a great value
Best to add a little salt to container, and then add water stirred up and then poured it into your tank
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Top reviews from other countries

Translate all reviews to English
Sheala kelley
5.0 out of 5 stars Big size
Reviewed in Canada on April 12, 2024
Size: 33 ozStyle: Aquarium TreatmentVerified Purchase
Works well for my betta
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rubin
5.0 out of 5 stars Healthy fish. Peace of mind
Reviewed in the United Kingdom on March 17, 2024
Size: 16 ozStyle: Aquarium TreatmentVerified Purchase
Keeps fish healthy
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Satish Rajendran
5.0 out of 5 stars Works as expected
Reviewed in India on January 22, 2024
Size: 16 ozStyle: Aquarium TreatmentVerified Purchase
If you are ordering this Salt you know it works. Best in the business and absolutely works well. The product package was broken but was well packed so I dint loose any salt.
One person found this helpful
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Elina Rozite
5.0 out of 5 stars Very good
Reviewed in Germany on November 9, 2022
Size: 33 ozStyle: Aquarium TreatmentVerified Purchase
Everything ok, I received the delivery on time and the product is very good. Just one thing, the packaging was a bit damaged because of the long journey, it would be better to put it in another box for shipping internationally but other than that everything was great:)
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david j.
5.0 out of 5 stars Muy bien pruducto
Reviewed in Spain on March 3, 2022
Size: 16 ozStyle: Aquarium TreatmentVerified Purchase
Bueno producto, que pena que no puedes compra en Fuerteventura, fui 49 días en tránsito, pero bueno por fin llegas
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