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API AQUARIUM SALT Freshwater Aquarium Salt 16-Ounce Box

    • Based on 20,793 reviews
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Availability: In Stock.
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Arrives Tuesday, Jun 4
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Size: 16 oz


Style: Aquarium Treatment


Features

  • Contains one (1) API AQUARIUM SALT Freshwater Aquarium Salt 16-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

Brand: API


Item Weight: 1.2 Pounds


Item Form: Liquid


Target Species: Fish


Allergen Information: Apple Free


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 2.75 x 2.75 x 5.38 inches; 1.16 Pounds


Item model number ‏ : ‎ 106


Department ‏ : ‎ Unisex-adult


Date First Available ‏ : ‎ June 20, 2004


Manufacturer ‏ : ‎ Mars Fishcare


Country of Origin ‏ : ‎ USA


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jun 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

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Top Amazon Reviews

    • Used to help Betta fin rot, minor complaints (Betta fin rot information included if you need help!)
Size: 67 oz Style: Aquarium Treatment
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! ... show more
Reviewed in the United States on August 21, 2019 by Alexa M.
    • Good for keeping your fish healthy
Size: 67 oz Style: Aquarium Treatment
If you’re a beginner for having a fish as your pet, use this. Before using this, my fishes all died, replace new, died again, replace new , again died and feel so sad. Almost give up, After that I found a YouTube channel teaching how to take care a fish and sick fish which is using this, I started to follow his guide. Ever since, my fishes from a baby fish and now all grow up, become naughty and happy fish. I am so so happy. ... show more
Reviewed in the United States on August 27, 2023 by nicola ng
    • Helps fish feel better
Size: 33 oz Style: Aquarium Treatment
It really helps my aquarium fish feel better. Even long-term treatment with BettaFix did not help my fish. I thought I had already lost my Betta fish, but after starting to use this salt at every water change (and no longer using BettaFix), my Betta fish just came to life, she grew new fins and became active again! ... show more
Reviewed in the United States on September 5, 2023 by Tamara Ryhulska
    • Okay
Size: 67 oz Style: Aquarium Treatment
The package came in broken but I decided to just keep it. It hasn’t shown any harm to my fish yet so I guess it’s okay so far. Time will tell!
Reviewed in the United States on September 4, 2023 by Radhanath Thialan
    • One of the best values in the aquarium market
Size: 67 oz Style: Aquarium Treatment
It is just salt but the fact that 65 ounces is 10 dollars is an amazing deal. I bought this once in 2018, 6 years ago and only now need another. I have tried many medications with fish but many times it actually just stress them out more, treating my monster fish is hard as they have much room for bacteria to grow and attack them, you must make sure the water quality is good as in most cases this is the problem causing sickness and fish have an amazing ability to heal on their own if given good conditions but this product helps promote slime coat growth and MOST (WARNING: Catfish and invertebrates do not like salt at all!!!!) - most fish heal very well with this. sometimes the best treatment truly is the simplest ... show more
Reviewed in the United States on July 12, 2023 by Carl M.
    • Mmm
Size: 33 oz Style: Aquarium Treatment
Delicious
Reviewed in the United States on September 17, 2023 by Micah
    • Works well
Size: 67 oz Style: Aquarium Treatment
I quarantined my Thai Oranda goldfish because he was very lethargic now his swimming around like a normal fish, and very active 🤙
Reviewed in the United States on August 24, 2023 by Stranger
    • Wonderful product
Size: 33 oz Style: Aquarium Treatment
I was weary buying this product for my two freshwater tanks thinking it was impulsive and unnecessary. I added the salt to new water during a water change and let it dissolve for 30 mins before changing the water. The water looks more pristine and fish and acting/looking healthier. Great for freshwater, the only problem was the package arrived damaged most likely opened during shipping ... show more
Reviewed in the United States on July 11, 2023 by Majid

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