Browse conditioners, RODI systems and marine salt mixes used in community aquariums.
Build your setup
Find the gear behind the community's tanks.
Tanks, stands, lids
Canister filters, HOBs, protein skimmers, rollmats
Planted LEDs, high-actinic coral LEDs
Heaters, chillers, electronic controllers
Return pumps, wavemakers, gyres
Aquasoils, sands, dry reef rock, driftwood
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 PurificationAquario
The Aquario Neo Essence - Water Conditioner is a premium water conditioner for planted aquariums, enriched with concentrated natural amino acids to enhance photosynthesis, improve plant coloration, and optimize fertilizer absorption. 300ml and 1000ml bottles.
0 showcased tanks
Water PurificationAquario
The Aquario Neo Guard - Water Conditioner is an aquarium water conditioner designed for phosphate reduction to help prevent algae issues caused by excess phosphates; best used as a preventative tool, also aids as part of the solution to existing algae. 300ml and 1000ml bottles.
0 showcased tanks
Water PurificationAquario
The Aquario Neo V - Water Conditioner is a water conditioner designed for reducing nitrates in a stable, cycled aquarium; contains natural amino acids, humic acid, and other natural minerals to improve appetite, promote spawning, increase fish activity and digestive health, and buffer water quality.
0 showcased tanks
Water PurificationRed Sea
Premium grade, moderate alkalinity. Naturally harvested salt from the Red Sea; balanced levels of foundation elements; includes necessary minor and trace elements. Enhanced color & growth: witness a spectacular display of colors and faster growth rates in your corals.
0 showcased tanks
Water PurificationAquarium Munster
Aquarium Münster Aquavital Bacto Groundboost (30 capsules) is a balanced mixture of bacteria and active oxygen for maintaining the aquarium substrate ecosystem. The capsules are placed directly into the gravel, where inactive bacteria activate on contact with water to break down sludge and organic deposits while active oxygen eliminates harmful gases. Dosed at one capsule per 20 liters.
0 showcased tanks
Water PurificationAquarium Munster
Aquarium Münster Aquavital Bacto Groundboost (8 capsules) is a balanced mixture of bacteria and active oxygen for maintaining the aquarium substrate ecosystem. The capsules are placed directly into the gravel, where inactive bacteria activate on contact with water to break down sludge and organic deposits while active oxygen eliminates harmful gases. Dosed at one capsule per 20 liters.
0 showcased tanks
Water PurificationAquarium Munster
Aquarium Munster Aquavital Bactosprint 100-500 L is a two-component bacteria and enzyme culture that shortens new aquarium set-up and restores biological filtration after filter changes or medication. Freeze-dried bacteria activate in nutrient solution for 30 minutes; single-use bottle treats up to 500 L, no refrigeration needed.
0 showcased tanks
Water PurificationAquarium Munster
Aquarium Munster Aquavital Conditioner+ 100 ml binds and neutralizes harmful heavy metals and chlorine in tap water, stabilizes pH and prevents harmful fluctuations. Valuable bio-colloids protect the fish's mucous membrane.
0 showcased tanks
Water PurificationAquarium Munster
Aquarium Munster Aquavital Conditioner+ 250 ml binds and neutralizes harmful heavy metals and chlorine in tap water, stabilizes pH and prevents harmful fluctuations. Valuable bio-colloids protect the fish's mucous membrane.
0 showcased tanks
Water PurificationAquarium Munster
Aquarium Munster Aquavital Stress-Protect 250 ml combines 40% aloe vera with iodine and vitamin C to strengthen the immune system of ornamental fish. Makes fish more resistant to pathogens and promotes healing of wounds.
0 showcased tanks
Water PurificationInnovative Marine
Innovative Marine's Aqua Shield UV Sterilizer will help reduce free-floating organisms and help minimize the risk of bacterial or other outbreaks. The drop-in design works with all Nuvo Fusion Desktop and Concept all-in-one aquariums; takes the place of the filter sock, and the included mechanical filter sponge helps remove large particles, keeping the UV lamp clean.
0 showcased tanks
Water PurificationBulk Reef Supply
Auto shut off valves (ASOV) are great for reverse osmosis systems and will allow your RO system to automatically turn on and off based on the activation of a float valve. ASOVs do require a minimum of 40 PSI to operate correctly and can be installed on any style of reverse osmosis system that uses 1/4" tubing; kit includes float valve, 5ft of tube, inline check valve, and 1/4" auto shut off valve.
0 showcased tanks
Water PurificationSeachem
Betta Basics is designed to provide the optimal environment for both bettas and plants. Betta Basics removes any chlorine or chloramine and detoxifies ammonia; it buffers the water to a pH of 7.0 and provides a healthy environment for fish and plants.
0 showcased tanks
Water PurificationTropic Marin
Tropic Marin Bio-Actif Salt is a pharmaceutical-grade sea salt mix with bio-active marine substances and carbon dosing elements, designed for ultra-low nutrient reef systems with balanced calcium, magnesium, and alkalinity.
0 showcased tanks
Water PurificationTropic Marin
Tropic Marin BIO-ACTIF sea salt 10 kg is a pharmaceutical-grade mix with all 70 macro and trace elements in natural tropical seawater proportions, stabilised by bioactive substances. It includes prebiotic bacterial food to stabilise aquarium microbiology; dose 35 ml per litre for 32-35 ppt salinity.
0 showcased tanks
Water PurificationTropic Marin
Tropic Marin BIO-ACTIF sea salt 4 kg is a pharmaceutical-grade mix with all 70 macro and trace elements in natural tropical seawater proportions, stabilised by bioactive substances. Includes prebiotic bacterial food for aquarium microbiology; dose 35 ml per litre for 32-35 ppt salinity.
0 showcased tanks
Water PurificationModern Reef
Modern Reef BIODiversity (500 ml) diversifies and boosts microfauna in the reef aquarium, providing diverse marine bacterial strains, microorganisms, minerals, and nutrients in a lab bio-engineered solution. Microorganisms act as micro armies to naturally out-compete and feed on pests like dinoflagellates and cyanobacteria; shake vigorously and dose in a high-flow area: 50 ml per 100 L for new aquariums (repeat after a week), 10 ml per 100 L once or twice weekly for maintenance.
0 showcased tanks
Water PurificationG.A. Murdock
Made in the USA, Mur-lok Linear Low Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental stress cracking; BPA-Free, FDA approved materials and NSF Standard 58 Certified.
0 showcased tanks
Water PurificationG.A. Murdock
Compatible with all Bulk Reef Supply RODI Systems and other RO(DI) systems that utilize 1/4" Polyethylene Tubing. The 1/4" measurement is the outside diameter of the tubing and will work with all 1/4" Push-Connect fittings; black tubing is commonly used for wastewater lines with reverse osmosis systems.
0 showcased tanks
Water PurificationG.A. Murdock
The Black 3/8" Polyethylene RO Tubing from G.A. Murdock is Mur-lok Linear Low Density Polyethylene tubing made for reverse osmosis systems and reactors. It is commonly used for wastewater lines coming off the membrane housing, and is BPA-free, FDA approved, and NSF Standard 58 certified.
0 showcased tanks
Water PurificationBrightwell Aquatics
Brightwell Aquatics Shrimp BlackWater Clear (500 mL) is a copper-free, shrimp-safe humic water conditioner that slightly acidifies and softens water and provides humic and fulvic acids for nutrient uptake; it recreates blackwater river conditions and can encourage spawning, without darkening the water like traditional humic additives.
0 showcased tanks
Water PurificationBrightwell Aquatics
Brightwell Aquatics BlackWater is a humic and fulvic acid water conditioner that recreates blackwater river biotopes, slightly acidifying and softening water, coloring it brown, and improving nutrient uptake by plants while encouraging fish spawning.
0 showcased tanks
Water PurificationG.A. Murdock
Food-grade blue polyethylene tubing for RO and RODI systems that resists chemical and contaminant buildup, UV damage, and abrasion. Sold in 10, 25, and 50 ft lengths; the visible blue line makes filter output easy to identify.
0 showcased tanks
Water PurificationG.A. Murdock
Mur-lok Blue 3/8-inch Polyethylene RO Tubing is BPA-free, FDA-approved, NSF 58 certified tubing for reactors and large reverse osmosis systems, commonly used to distinguish filtered water, available in 25 ft or 50 ft lengths.
0 showcased tanks
Water PurificationBrightwell Aquatics
The Brightwell Shrimp Bio Boost Bundle combines Shrimp FlorinBacter7 (250 mL) beneficial bacteria, Xport Bio Cubes (1000 mL) porous media, and Shrimp FlorinMulti (250 mL) trace elements to strengthen biological filtration and support healthy shrimp colonies in new or established tanks.
0 showcased tanks
Water PurificationBulk Reef Supply
The BRS 4 Stage Reverse Osmosis System produces 75 gallons per day through sediment, dual carbon blocks, and a 75 GPD Dow Filmtec membrane with up to 99% rejection, with source and drain fittings included.
0 showcased tanks
Water PurificationBulk Reef Supply
The BRS Reverse Osmosis Chloramines Monster is a 20-inch Big Blue canister holding a Pentek CRFC20-BB radial flow carbon filter, designed to be installed before your RO system where large volumes of water are produced. The huge radial cartridge of surface-modified carbon provides the extended contact time needed to convert chloramines (used in 10% of U.S. water supplies) into harmless chloride and nitrogen without reducing chlorine removal efficiency at high flow rates. Rated up to 75,000 gallons at 1 GPM (roughly 19,000 gallons of RO water at a 3:1 waste ratio); also reduces chlorine, taste, odor, and particulates. Works with Pentek ChlorPlus carbon blocks and includes 1/4-inch connections.
0 showcased tanks
Water PurificationBuce Plant
The Buce Booster - Aquarium Plant Super Serum was an April Fools promotional listing by Buce Plant; not a real product. The listing described it as a fertilizer serum for aquarium plants.
0 showcased tanks
Water PurificationNyos
Nyos BYOTIC (75 g) is a probiotic bacteria formula that restores the natural biological bacterial balance in the aquarium by out-competing pathogenic germs such as vibrios; for better polyp expansion and coral vitality. Highly pure product without phosphate increase; dosage for problems: 1 g/100 L daily for 3-5 days then 0.5 g/100 L until symptoms disappear; preventative: 0.5 g/100 L once weekly; turn off UV clarifier during treatment.
0 showcased tanks
Water PurificationAquaReady
Replacement 5-micron carbon block cartridge for the AquaReady RO System that reduces chlorine and VOCs, also fitting most other RO systems using standard 2.5 x 10 inch filters. It is rated for 15,000 gallons of chlorine removal at 1 GPM and should be replaced about every 6 months.
0 showcased tanks