Explore plant fertilizers, liquid CO2, reef dosing pumps and supplements used by aquarists.
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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
607 matching items · Most used first
SupplementationBrightwell Aquatics
Brightwell Aquatics MicroBacter Purple M introduces a shelf-stable blend of purple non-sulfur bacteria to saltwater reefs, breaking down organic waste in aerobic and anaerobic zones while feeding corals, sponges, and filter feeders; available in 500 mL, 1 L, and 4 L.
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SupplementationBrightwell Aquatics
Brightwell Aquatics MicroBacter Start XLF is a professional 15x strength live nitrifying bacteria for rapidly cycling new freshwater aquariums in about 5-7 days, removing toxic ammonia and nitrite; dose 30 mL per 25 gallons.
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SupplementationBrightwell Aquatics
Brightwell Aquatics MicroBacter Start XLM is a professional 15x strength live nitrifying bioculture for rapidly cycling new marine and brackish aquaria in 5-7 days, rapidly reducing ammonia and nitrite, also for recovery from overcrowding or bacteria-bed damage.
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SupplementationBrightwell Aquatics
Brightwell Aquatics MicröBacter7 is a complete bioculture of non-pathogenic aerobic and anaerobic microbes plus natural enzymes that establishes biological filtration in new aquariums and enhances nitrification, denitrification, and organic waste degradation in marine and freshwater systems. It rapidly reduces organic carbon, ammonia, nitrite, nitrate, and phosphate while improving water clarity and health of aquarium inhabitants.
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SupplementationMicrobe-Lift
Microbe-Lift Nite-Out II is a liquid nitrifying bacteria containing select strains of Nitrosomonas, Nitrospira, and Nitrobacter that eliminate ammonia and decrease ammonia and nitrite toxicity through natural nitrification. For salt and fresh water, it initiates and promotes stable nitrification and is safe to use around plants and animals.
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SupplementationMicrobe-Lift
Microbe-Lift Special Blend is a complete eco-system in a bottle of live bacteria that maintains aquarium water health and clarity for salt and fresh water. It breaks down organic waste and protein foam, lowers ammonia levels and biologically reduces nitrates, removes odors and cloudy water, and naturally stimulates plant growth; it is chemical free but cannot neutralize chlorine, chloramine, or heavy metals.
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SupplementationReef Factory
The Reef Factory Reef Minerals Holder is a simple bracket designed to securely hold one 1000 mL Reef Factory Reef Minerals bottle; it includes a draw tube for easy dosing pump integration, keeping your dosing setup clean and organized.
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SupplementationReef Factory
The Reef Factory Minerals Holder (150ml x1) is a single-dose storage container for Reef Factory Reef Minerals dosing solutions. Designed for marine aquariums, it keeps mineral supplements organized and ready for dosing pump use as part of the Smart Reef 360 method.
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SupplementationReef Factory
The Reef Factory Minerals Holder is a 4-bottle storage holder sized for 150 ml bottles, designed for automatic dosing systems. It holds up to four bottles at once and can also house a dosing pump on the bottom to keep additive bottles organized, labeled, and in place.
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SupplementationISTA
The Ista Mini Ceramic CO2 Diffuser is a 2-in-1 bubble counter and diffuser with a compact glass and acrylic design for nano planted aquariums, producing a fine CO2 mist through a replaceable ceramic disc. It includes suction cup mounts and a tubing clip to keep the CO2 line kink-free.
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SupplementationISTA
The ISTA Mini Inline CO2 Bubble Counter is a compact crystal-clear acrylic device that installs inline on CO2 tubing for planted aquariums, letting you visually count bubbles per minute to dial in accurate CO2 dosing for nano and small tanks. Its durable, acid-resistant acrylic construction resists breakage and assures a clear, easy bubble reading, and assembly is tool-free.
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SupplementationBulk Reef Supply
The Mr. Chili 1-Gallon Mixing Jug is a heavy-duty polyethylene jug for mixing and storing 2-part and other liquid aquarium solutions. It is FDA compliant and safe for standard salts and additives used in saltwater aquariums.
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SupplementationKorallen Zucht
Korallen-Zucht Nano Power Package; contains 10mL bottles of Coral Vitalizer, Pohls Xtra, Amino Acid Concentrate LPS, and Sponge Power. A stand-alone introduction to the ZEOvit system that improves coral growth, coloration, and water clarity.
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SupplementationAquario
The Aquario Neo CO2 DIY CO2 Kit is an easy, budget-friendly fermentation-based CO2 system for planted aquariums larger than 10 gallons, providing up to 50 days of consistent CO2. The complete kit includes the bottle, cap with tubing nipple, tubing, CO2 diffuser, suction cups, and biorefill packs.
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SupplementationAquario
The Aquario Neo CO2 Refill is a bio powder refill bag for the Neo CO2 DIY CO2 Kit that restarts fermentation-based CO2 production. The kit can be reset repeatedly as long as jelly remains in the bottle.
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SupplementationAquario
The AQUARIO Neo Mixer is an add-on attachment for Neo Flow lily pipes that improves CO2 diffusion in planted aquariums, optimizing CO2 dissolution for healthier, more vibrant plant growth. Designed for use with pressurized CO2 systems; available in medium (compatible with 13mm Neo Flow lily pipes) and large (17mm) sizes. Lily pipes sold separately.
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SupplementationBrightwell Aquatics
Brightwell Aquatics NeoNitro is a liquid balanced nitrogen supplement for saltwater reef aquariums, sold in 250 mL, 500 mL, and 2 Liter sizes. Used with MicroBacter7 and a carbon source like Reef BioFuel, it supplies nitrogen to enable natural microbial phosphate uptake in ultra-low nutrient systems; it is intended for advanced reef aquarists only.
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SupplementationBrightwell Aquatics
Brightwell Aquatics NeoTiger KH+/GH+ establishes mineral balance (potassium, calcium, magnesium, sodium) in purified RO/DI or soft water for freshwater neocaridina and tiger shrimp tanks, supporting osmoregulation and long-term health.
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SupplementationNyos
Nyos Nitrate+ is a high-purity nitrate solution (1000 mL, no additives) that safely raises nitrate levels in reef aquariums where nitrate deficiency can starve corals. 1 mL raises nitrate by 1 ppm in a 100L (25-gallon) aquarium; pair with Nyos Phosphate+ to keep nitrate (10-20 ppm) and phosphate (0.025-0.05 ppm) in balance and deter algae growth.
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SupplementationAlgaeBarn
AlgaeBarn NitroCycle is a clean, inorganic nitrogen source (ammonium chloride) that feeds nitrifying bacteria to establish the biofilter in new aquariums before adding livestock; it is easy to dose, does not foul water with phosphate or dissolved organics, and comes in a graduated double-neck bottle.
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SupplementationRed Sea
Red Sea NO3:PO4-X is a liquid carbon-complex additive for saltwater and reef aquariums that feeds naturally occurring nutrient-reducing bacteria to lower and maintain nitrate and phosphate levels, helping prevent algae outbreaks. Sold in 500mL, 1000mL, and 5000mL bottles; it is 100% reef safe at the recommended daily dose of 1-3 mL per 25 gallons (do not overdose).
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SupplementationAquaforest
Aquaforest -NP Pro is a liquid polymer that feeds probiotic bacteria so they multiply and convert nitrate and phosphate into bacterioplankton that corals can absorb. The concentrated formula is dosed at 1 drop per 27 gallons daily; it is reef-safe but not shrimp- or plant-safe.
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SupplementationTropic Marin
Tropic Marin NP-Bacto-Balance is a liquid bacterial nutrient solution for reef aquariums that efficiently reduces nitrate and phosphate while maintaining the optimal carbon/nitrogen/phosphorus balance to avoid nutrient deficiency. Its balanced organic and inorganic nutrients (including K+ Elements trace elements) promote bacterial biomass that feeds corals, sponges, and filter feeders, improving coloration and growth; dose up to 1 mL per 25 gallons per day based on tank age, available in 500 mL and 1000 mL.
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SupplementationDr. Tim's Aquatics
Dr.Tim's One & Only Live Nitrifying Bacteria (Freshwater) instantly establishes a biofilter and eliminates new tank syndrome; it naturally removes ammonia and nitrite in new tanks, after water changes or filter cleanings, when adding fish, and after disease treatment.
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SupplementationDr. Tim's Aquatics
Dr.Tim's One & Only Live Nitrifying Bacteria (Saltwater) instantly establishes a biofilter that eliminates new tank syndrome, removing toxic ammonia and nitrite without sulfurs or odors; available in four sizes for aquariums up to 240 gallons, it is ideal for fishless cycling and new fish additions.
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SupplementationTropic Marin
Tropic Marin Original Balling Component Part A is 1 kg of pharmaceutical-grade calcium chloride dihydrate powder used to mix a dosing solution for the three-part Balling method. Along with Parts B and C it maintains calcium, alkalinity, and sodium chloride-free sea salt levels in reef aquariums, supporting coral skeleton growth without unnatural byproducts (30 mL per 10 gallons raises calcium by ~15 ppm).
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SupplementationTropic Marin
Tropic Marin Original Balling Component Part B is the alkalinity component (1 kg sodium carbonate/sodium bicarbonate powder) of the three-part Balling method, dosed alongside Part A (calcium) and Part C (trace elements) to maintain calcium, alkalinity, and ion equilibrium for fast coral skeletal growth. Made from pharmaceutical-grade components with no phosphates, it dissolves clear in RODI water within minutes for hand dosing or automated dosing pumps; 30 mL of solution per 10 gallons raises calcium by 15 ppm and alkalinity by 2.2 dKH.
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SupplementationTropic Marin
Tropic Marin Original Balling Component Part C is a 1 kg sodium chloride-free reef salt used in the three-part Balling method alongside calcium (Part A) and alkalinity (Part B) components. It maintains ionic equilibrium and trace element balance for coral skeleton growth without the depletion seen in two-part dosing; the powdered, phosphate-free pharmaceutical-grade salt dissolves fast and clear and can be dosed by hand or with automated pumps.
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SupplementationTropic Marin
Tropic Marin Original Balling Part A 1 kg is pharmaceutical-grade calcium chloride dihydrate for the calcium component of the three-part Balling method. Dissolve 380 g in 5 L RODI water and dose alongside Parts B and C to maintain ion balance; 30 ml per 35 L raises calcium by 15 ppm.
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SupplementationTropic Marin
Tropic Marin Original Balling Part B 1 kg is pharmaceutical-grade sodium carbonate/sodium bicarbonate for the alkalinity component of the three-part Balling method. Dissolve 378 g in 5 L RODI water and dose alongside Parts A and C; 30 ml per 35 L raises alkalinity by 2.2 dKH.
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