Browse conditioners, RODI systems and marine salt mixes used in community aquariums.
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Find the gear behind the community's tanks.
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Conditioners, RODI systems, marine salt mixes
Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
Tools, food, testing, and the finishing touches
In community tanks
Chosen by aquarists
311 matching items · Most used first
Water PurificationBulk Reef Supply
The BRS 5 Stage 75 GPD Drinking Water RO System produces up to 75 gallons per day of purified water for drinking and saltwater aquarium use through sediment, dual carbon block, Dow Filmtec RO membrane, and inline carbon stages. It includes a 3.2-gallon pressurized storage tank, a silver (chrome) air-gap faucet, and all installation fittings and tubing.
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Water PurificationBulk Reef Supply
The BRS 5 Stage Premium 150 GPD Water Saver RO/DI System is a five-stage reverse osmosis and deionization unit that produces up to 150 gallons per day of 0 TDS purified water while using less waste water than standard systems. With sediment, dual carbon block, dual membrane, and DI resin stages, it handles well water and city water treated with chlorine and small amounts of chloramines.
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Water PurificationBulk Reef Supply
The BRS 5 Stage Premium 200 GPD Water Saver RO/DI System is a five-stage reverse osmosis and deionization unit producing up to 200 gallons per day of 0 TDS water for topping off evaporation and mixing saltwater. It includes a 1-micron sediment filter, dual BRS carbon blocks for chlorine and chloramines, dual 100 GPD Dow Filmtec membranes in a water-saver configuration, and color-changing DI resin.
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Water PurificationBulk Reef Supply
The BRS 5 Stage Premium 75 GPD RO/DI System is a five-stage reverse osmosis and deionization unit producing up to 75 gallons per day of 0 TDS water for topping off evaporation and mixing saltwater. With sediment, dual carbon block, RO membrane, and DI resin stages, it handles city water treated with chlorine and chloramines as well as most well water sources.
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Water PurificationBulk Reef Supply
The BRS 5 Stage Premium Plus 100 GPD RO/DI System produces 0 TDS aquarium water through a sediment filter, dual carbon blocks, a 100 GPD Dow Filmtec membrane, and DI resin, with a pressure gauge, flush kit, and dual inline TDS meter included.
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Water PurificationBulk Reef Supply
The BRS Filter Sock Mount is a hang-on bracket that adds mechanical filter sock filtration to a sump or refugium, trapping excess food, detritus, organic waste, and particulates before they break down into nutrients. It includes adapters for both 4" and 7" filter socks with leveling screws, and installs and removes easily for tank cleaning or sock replacement.
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Water PurificationBulk Reef Supply
The BRS 5 Stage Premium Plus 200 GPD Water Saver RO/DI System is a five-stage reverse osmosis and deionization unit producing up to 200 gallons per day of 0 TDS water while using less waste water than standard systems. The Plus version adds a dual inline TDS meter, glycerin-filled pressure gauge, and membrane flush kit to the sediment, dual carbon block, dual membrane, and DI resin stages; it handles city water with chlorine and chloramines as well as most well water.
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Water PurificationBulk Reef Supply
Five-stage RO/DI filtration system that produces up to 75 gallons per day of 0-TDS purified water for reef aquariums. Stages include a sediment filter, carbon blocks, a 75 GPD RO membrane, and color-changing DI resin for final deionization.
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Water PurificationPentair
The Pentair Aquatics 50 Watt Smart UV High Output UV Sterilizer is a UV-C sterilizer for saltwater aquariums up to 330 gallons, reducing waterborne algae, bacteria, and parasites for crystal clear water. It features a UV-resistant high-density polymer body with removable end cap, a low-pressure lamp with remote ballast, a 16-foot power cord, and slip unions accommodating 2, 2.5, or 3 inch plumbing with reducers included.
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Water PurificationLifegard Aquatics
The Lifegard Aquatics 55 Watt Pro-MAX High Output UV Sterilizer is a flow-through UV sterilizer for freshwater or saltwater aquariums up to 350 gallons, effective against bacteria and water-borne algae blooms. Its patent-pending design has angled inlet and outlet ports that can be positioned in several directions, 2 inch slip connections, and a ballast with a lamp life countdown display.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 57 Watt Classic UV Sterilizer with a white body uses ultraviolet light to reduce pathogens, bacteria, viruses, parasites, and algae in aquarium water. It is rated for reef tanks up to 355 gallons without altering water chemistry.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 57 Watt Classic UV Sterilizer with a black body and 3/4-inch inlet/outlet is a plug-and-play UV unit for saltwater, freshwater, and pond use. It kills bacteria, viruses, algae, and other pathogens for clearer water and healthier fish and corals, with an adjustable flow rate and a watertight cap for easy bulb changes.
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Water PurificationAqua Ultraviolet
A 57-watt classic UV sterilizer from Aqua Ultraviolet with a white housing and 3/4-inch inlet/outlet, using UV-C light to destroy algae spores, bacteria, and protozoa in ponds and aquariums. Its slim-line lamp lasts up to 14 months of continuous operation.
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Water PurificationBulk Reef Supply
The BRS 6 Stage 75 GPD Drinking & Reef RO/DI System produces pure RO/DI aquarium water plus drinking water, with sediment and carbon filtration, a 75 GPD membrane, DI stage, pressurized tank, and brushed nickel faucet.
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Water PurificationBulk Reef Supply
The BRS 6 Stage 75GPD Drinking & Reef RO/DI System produces up to 75 gallons per day of pure RO/DI water for aquariums plus drinking water, with 6 stages: 5-micron sediment filter, two carbon blocks, a 75 GPD DOW Filmtec membrane, inline carbon block, and a refillable single DI stage. It includes a 3.2-gallon pressurized tank, silver air-gap faucet, garden hose/under-sink adapters, automatic shut-off, Mur-lok push-connect fittings, and tubing.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 6 Stage Deluxe Plus 100 GPD RO/DI System is a six-stage reverse osmosis and deionization unit producing up to 100 gallons per day of 0 TDS purified water for reef aquariums. Its stages include sediment filtration, carbon blocks, an RO membrane, and DI resin, with replaceable filters to maintain performance.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 6 Stage Deluxe Plus 150 GPD Water Saver RO/DI System is a six-stage reverse osmosis and deionization unit producing up to 150 gallons per day of 0 TDS purified water, with a water-saver design that reduces waste water. Its stages include sediment filtration, carbon blocks, an RO membrane, and DI resin, with replaceable filters to maintain performance.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 6 Stage Deluxe Plus 200 GPD Water Saver RO/DI System is a six-stage reverse osmosis and deionization unit producing up to 200 gallons per day of 0 TDS purified water, with a water-saver design that reduces waste water. Its stages include sediment filtration, carbon blocks, an RO membrane, and DI resin, with replaceable filters to maintain performance.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 6 Stage Deluxe Plus 75 GPD RO/DI System is a six-stage reverse osmosis and deionization unit producing up to 75 gallons per day of 0 TDS purified water for reef aquariums. Its stages include sediment filtration, carbon blocks, an RO membrane, and DI resin, with replaceable filters to maintain performance.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 7 Stage PRO Plus 150 GPD Water Saver RO/DI System is a seven-stage reverse osmosis/deionization unit producing up to 150 gallons per day of 0 TDS water, ideal for city water with chlorine or chloramines and well water. It features dual 75 GPD Dow Filmtec membranes for faster production with less waste (1.5:1 ratio), dual carbon blocks, triple DI resin stages, a pressure gauge, triple inline TDS meter, and manual flush flow restrictor.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 7 Stage PRO Plus 200 GPD Water Saver RO/DI System is a seven-stage reverse osmosis/deionization unit producing up to 200 gallons per day of 0 TDS water, ideal for city water with chlorine or chloramines and well water. It features dual 100 GPD Dow Filmtec membranes for faster production with less waste (1.5:1 ratio), dual carbon blocks, triple DI resin stages, a pressure gauge, triple inline TDS meter, and manual flush flow restrictor.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 7 Stage PRO Plus 75 GPD RO/DI System is a seven-stage reverse osmosis/deionization unit producing up to 75 gallons per day of 0 TDS purified water, ideal for city water with chlorine or chloramines and well water. It includes sediment filtration, dual carbon blocks, an RO membrane, and triple DI resin stages for final polishing to 0 TDS.
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Water PurificationDOW Chemical
The Dow Filmtec (DuPont) 75 GPD Reverse Osmosis Membrane has a 96-99% stabilized salt rejection rate and is NSF/ANSI Standard 58 listed. Compatible with all 10-inch RO membrane housings and rated at 50 psi, it is sold dry for a long shelf life; change the flow restrictor to match if changing membrane GPD rating.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 8 Watt Advantage 2000 UV Sterilizer with Hanger Spout is a hang-on-back UV sterilizer for tanks up to 70 gallons, with 1/2-inch barbed inlet, 8W lamp, and germicidal UV-C that eradicates algae, bacteria, and protozoa without chemicals.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 8 Watt Classic UV Sterilizer is a black-bodied inline unit that clarifies and sterilizes aquarium water with germicidal UV-C light, targeting algae, bacteria, and protozoa without changing water chemistry. Made in the USA with quick-release unions for easy maintenance, it sterilizes up to 200 gallons at 642 GPH.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 8 Watt Classic UV Sterilizer with a black body and 3/4-inch inlet/outlet is a plug-and-play UV unit for aquariums up to 70 gallons and smaller ponds. Its 8W slim-line lamp destroys free-floating algae, bacteria, and protozoa for clearer, healthier water, and the EZ twist cap allows easy lamp and quartz sleeve access.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 8 Watt Classic UV Sterilizer (White) has 3/4-inch inlet/outlet barbs and treats up to 200 gallons freshwater at 642 GPH, using germicidal UV-C to clarify water and sterilize algae, bacteria, and protozoa without altering water chemistry.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 80 Watt Classic UV Sterilizer (Black Body) is a high-capacity UV-C water sterilizer for large freshwater aquariums and ponds. It emits germicidal UV-C rays that disrupt the DNA or RNA of single-celled organisms such as algae, bacteria, and protozoa, producing crystal clear water without chemicals or altering water chemistry. It handles up to 4,400 gallons as a sterilizer (9,000 gallons as a clarifier) at 3,678 GPH, features quick-release 2-inch slip unions and a twist cap for easy quartz sleeve maintenance, and includes an 80-watt NEMA transformer and two 40-watt UV lamps.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 80 Watt Classic UV Sterilizer (Black) is a black-bodied ultraviolet sterilizer with 3/4" inlet/outlet fittings. With a suggested saltwater flow rate of 1226 GPH, it controls unwanted bacteria and protozoa at low flow rates and free-floating algae at higher flow rates, suitable for saltwater aquariums up to 600 gallons.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 80 Watt Classic UV Sterilizer eradicates algae, bacteria, and protozoa using UV-C light in a large contact housing; rated for saltwater sterilization up to 600 gallons, with quick-release unions, an EZ-twist quartz cap, and two 40-watt lamps.
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