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Aquarium Supplies

Fish Additives & Supplements

We carry a wide variety of additives produced by the most respected companies serving the aquarium hobby, such as Kent Marine, E.S.V., Seachem and Two Little Fishies. 2-part Calcium and Alkalinity Supplements are popular additives among reef keepers since calcium and alkalinity tend to deplete quickly in a reef aquarium.
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API Tap Water Conditioner (4 oz.)

API Tap Water Conditioner (4 oz.)

Let's face it, the health of your aquarium system centers almost solely on the health of your aquarium's water. Unhealthy water equals stressed out and, eventually, diseased fish and sick plants. Of course, the most common way to ...

$9.99
API Ammo-Lock

API Ammo-Lock

A patented water conditioner that works instantly, in both fresh and saltwater, to detoxify ammonia and remove chlorine and chloramines. Locks up ammonia in a non-toxic form until it can be broken down by the tank`s natural biolog...

From $9.89
API Accu-Clear

API Accu-Clear

Quickly clears cloudy aquarium water, eliminating clouds caused by dirt. Clumps tiny particles, causing them to fall to the bottom or collect in the filter. Makes any filter work more efficiently to create crystal-clear water fast...

From $6.60
API Proper pH 7.5

API Proper pH 7.5

Condition your aquarium or pond water regularly with the Aquarium Pharmaceuticals Proper Ph 7.5 from Pet Store . This formula enables you to adjust the pH level and stabilize it to the desired level. It also neutralizes harmful s...

$12.79
API Stress Coat 4 Oz

API Stress Coat 4 Oz

Acts as a liquid bandage to prevent the loss of essential electroytes; protects damaged tissue against disease-causing organisms. Helps heal torn fins & skin wounds. Use when setting up aquarium or changing water. Contains aloe ve...

$9.99
API Proper pH 8.2

API Proper pH 8.2

Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH at 8.2 while neutralizing chlorine and detoxifying heavy metals. For saltwater, brackish and African cichlid aquariums. Contains aloe vera and electroly...

$12.99
API Proper pH 7.0 250g

API Proper pH 7.0 250g

Automatically sets and stabilizes pH at 7.0. Removes chlorine & detoxifies heavy metals. For community aquariums. Contains Aloe Vera and electrolytes to reduce fish stress. Use when setting up aquarium or changing water. Purpose...

$7.14
API Tap Water Conditioner 1gal

API Tap Water Conditioner 1gal

Are your fish getting sick and you can't figure out the cause? If your aquarium water looks clean enough to rule out algae or other organisms, maybe it's the water itself. If you are using tap water, use Aquarium Pharmaceuticals T...

$33.69
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