Supplements and Conditioners

Highly-concentrated and stable iron solution for supplementing aquaria containing hermatypic organisms (i.e. “photosynthetic” or zooxanthellate corals, clams, and their allies), macroalgae, coralline algae, mangroves, marsh grasses, and other...
Reef•Basis Lugol's EX is a very powerful supplement, designed to nourish organisms that require iodine. It is particularly useful for soft corals of all kinds, particularly xenia, as well as gorgonians, hard corals, tunicates, marine worms such as...
Bionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels with no mixing powders, disruption of...
Want sparkling clear water in your reef or marine fish-only aquarium? Use Kent Marine Tank Clarifier to help your filtration system clarify water more efficiently! pH-balanced marine tank clarifier attaches to unsightly particulate matter for easy...
KENT MARINE STRONTIUM & MOLYBDENUM provides these elements needed for proper growth and health of hard and soft corals in an easy to dose liquid form. Strontium is very similar to calcium as invertebrates use it to form skeletons structures. Coral...
KENT MARINE TECH M MAGNESIUM supplement is an ionically balanced product that safely raises the magnesium level in any marine system. Magnesium plays an important role in helping maintain the calcium concentration in reef aquaria.
Kordon AmQuel, developed over 20 years ago, is the original product that established the state-of-the-art in water conditioning technology regarding ammonia removal. AmQuel quickly and effectively removes/detoxifies ammonia, chlorine and chloramines...
Reef Foundation A: Contains Calcium, Strontium, and Barium according to the ratios found in coral skeleton. Concentration: 1ml will raise the Ca level of 100 liters (25 gal) by 2ppm
Reef Foundation B (Alk): A complex of carbonate and other buffers present in seawater that maintain proper alkalinity and pH. Concentration: 1ml will raise the alkalinity of 100 liters (25gal) by 0.36 meq/l (1dKH)
Reef Foundation C (Mg): A blend of Magnesium salts. Concentration: 1ml will raise the Mg level of 100 liters (25gal) by 1ppm.
Clarity™ is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant safe. Clarity™ is the only clarifier on the market that does it all! Clarity™ will clear all types of...
Prime™ is the complete and concentrated conditioner for both fresh and salt water. Prime™ removes chlorine, chloramine and ammonia. Prime™ converts ammonia into a safe, non-toxic form that is readily removed by the tank’s biofilter.
Reef Advantage Magnesium™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural sea water.
Reef Iodide™ is a concentrated (8,000 mg/L) stabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in natural sea water. It is formulated to provide a safe source of iodide that will not...
Two Little Fishies Bactiv8® NPX contains cultured naturally occurring marine heterotrophic microbes that aid biological filtration in marine aquariums. This product is used to introduce bacteria to an aquarium system. Useful if you start with dry...

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Orders placed today will ship Wednesday, February 22nd after. Later dates available by request.

Use the code "5off" to receive $5 off any order over $55, rock orders excluded.

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