All Newest Products

Ultra Pure Magnesium Additive for 2-Part Maintenance in your Reef Tank!Maintaining proper magnesium levels helps achieve the essential balance of c...

Ultra-pure Grade Soda Ash for 2-part dosing in your reef tank!BRS 2-part additives are the perfect solution to replenish the intake of calcium and ...

Ultra-pure Calcium Chloride for 2-part dosing in your reef tank!BRS 2-part additives are the perfect solution to replenish the intake of calcium an...

Start Replenishing Calcium and Alkalinity in your Reef Tank! Keep your corals growing with the BRS 2-Part Calcium & Alkalinity Starter Package....

Ultra-pure Kalkwasser for Reef Tanks!BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contain...

Ultra-pure Kalkwasser for Reef Tanks!BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contain...

The BRS 1.1 mL dosing pump is a very cost-effective yet long lasting stand-alone dosing pump perfect for trace elements and 2 part. By hooking the ...

Triple Deionization Saver canister kit complete with HM Digital Triple Inline TDS Meter & BRS Pro Series Single Bed Cation Resin, Pro Series Si...

One Cartridge Refill (1.25 lbs.) PRO Series Mixed Bed Deionization Resin Purple Cation (Color Changing) - Part 3Changes from Purple to Amber when e...

One Cartridge Refill (1.4 lbs.) PRO Series Blue Anion Deionization Resin (Color Changing) - Part 2Changes from Blue to Amber when exhaustedAnion Si...

One Cartridge Refill (1.25 lbs.) PRO Series Purple Cation Deionization Resin (Color Changing) - Part 1Changes from Purple to Amber when exhaustedCa...

This kit is designed to treat all major water sources including well water and water treated with chlorine or low amounts of chloramines. This kit ...

3/8" x 1/4" Reducing Union Connector - Fits Neptune PMUP on 3/8 end and 1/4 RODI tubing.

Optimize Your Radion: The Right Lens Kit for Every AquariumIdeal for Deep Aquariums or High Radion MountingHigher PAR, Narrower FocusCompatible wit...

Optimize Your Radion: The Right Lens Kit for Every AquariumIdeal for Deep Aquariums or High Radion MountingHigher PAR, Narrower FocusCompatible wit...

Chemi-pure remains a revolutionary product for over 60 years, and practically all aquarium filter media have been modeled after it! Large aquariums...