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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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Caribsea AragaMilk Liquid Aragonite Calcium Supplement

Caribsea AragaMilk Liquid Aragonite Calcium Supplement

AragaMILK™ Ideal for African cichlids, livebearers, and marine aquariums of all types! The perfect alkalinity booster because...aragaMILK™ has a full pound of buffer in every 16 fluid ounce bottle. This buffer comes in two form...

From $10.79
CaribSea Purple Up Coralline Algae Accelerator

CaribSea Purple Up Coralline Algae Accelerator

Use the Caribsea Purple Up Coralline Algae Accelerator 8oz from Pet Store to keep your coralline algae healthy all the time. Coralline algae are essential to the natural balance of reef aquariums. Some fish and other water creat...

From $11.99
Caribsea BioMagnet Clarifier 16 oz

Caribsea BioMagnet Clarifier 16 oz

The Caribsea Bio-magnet Clarifier from Pet Store is a filter system designed for cleaning water in the aquarium. Basically, unwanted particles, bacteria, algae, and silt can accumulate within the aquarium, making its water cloud...

Caribsea Phos-Buster Pro 8oz

Caribsea Phos-Buster Pro 8oz

Phos-Buster™ Pro Phos-Buster™ Pro’s unique patent pending formula removes dissolved phosphates in minutes instead of days. Safe for all reef tanks, saltwater, and freshwater aquariums of all sorts. Each 8 oz. bottle removes at ...

Caribsea BufferPlus 16 oz

Caribsea BufferPlus 16 oz

Caribsea BufferPlus Buffer Plus™ Still using the same old buffers? CaribSea`s Buffer Plus™ is the easy way to buffer and re-mineralize marine and reef aquariums. With both bicarbonate and time release aragonite buffer, Buffer P...

Caribsea ReefCal Ionic Calcium Solution 16oz

Caribsea ReefCal Ionic Calcium Solution 16oz

Caribsea ReefCal ReefCal is a 100,000 ppm ionic calcium solution. ReefCal will raise calcium levels by just over 5 ppm per capful (5 ml) per 25 gallons of water. Use a good quality test kit to moniter dissolved calcium levels i...

$15.68 $14.11
Caribsea Bio Magnet Clarifier 8oz

Caribsea Bio Magnet Clarifier 8oz

Cloudy aquarium water is caused by fine suspended particles such as algae, silt, and bacteria. These particles usually carry a negative charge as does most filter media. The filter media, therefore, repels these particles, and wat...

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