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Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
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5,380 matching items · Most used first
OtherSalifert
The Salifert Calcium Test Kit gives accurate, easy-to-read calcium test results in minutes. Trusted by discerning reefers, it includes easy-to-follow instructions; typically delivers around 50 tests per kit depending on calcium levels.
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SupplementationNyos
Nyos Calcium+ is a high-purity, additive-free calcium chloride powder for reef aquariums, designed to raise calcium levels as part of a 2-part dosing system. It can be dosed dry into the sump or pre-mixed into a concentrated solution with RODI water, and is available in 1000g and 4000g sizes.
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SupplementationNyos
Nyos Calcium+ is 1000g (2.2 lbs) of high-purity calcium chloride powder for raising calcium levels in reef aquariums, ideal for two-part dosing systems with zero added additives. Dosing 37g directly raises calcium by 10 ppm in a 100-gallon tank, or it can be pre-mixed (1000g into 2000 mL RODI water for a ~135,000 ppm stock solution).
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Substrates & AquascapingUltum Nature Systems
The Caledonia Stone is a vibrant natural aquarium hardscape rock with multicolored hues of white, gray, blue, brown, and rust tones that deepen when submerged; smooth texture and layered, intricate patterns make each piece one-of-a-kind. Suitable for terrariums, paludariums, or similar planted enclosures. 10LB to 30LB packs.
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Substrates & AquascapingAqua Forest Aquarium
California ghost wood is a native California driftwood with odd twisted shapes and pale colors, shaped by strong wind or water current where collected. It is light and needs waterlogging or weighing down with stones initially; rinse before use; available in M and L sizes.
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OtherEHEIM
Original EHEIM replacement filter canister (spare part 7444620) for the biopower 160, 200, and 240 internal aquarium filters; it holds the modular filter media baskets in the filter stack.
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Substrates & AquascapingLifegard Aquatics
The Lifegard Aquatics Canyon Petrified Stone kit is a 25-pound box of 100% natural stones for freshwater planted aquarium hardscapes, including approximately 9 stones in assorted sizes (typically one large, two medium, and six small). The stones create an instant visual focal point with unique markings, though they may slightly raise pH and general hardness, and the exact look and sizes vary since they are a natural product.
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SupplementationBulk Reef Supply
A plastic replacement screw cap for BRS 1-gallon jugs (1.65" diameter), also compatible with BRS space saver 4-quart jugs, for storing aquarium dosing solutions and other liquids.
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SupplementationTropic Marin
Tropic Marin Carbo-Calcium is a concentrated powder additive supplying balanced calcium and alkalinity in a single solution, mixed with RO/DI water for dosing reef aquariums without byproducts.
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SupplementationTropic Marin
Tropic Marin Carbo-Calcium Powder (1400 g) is a concentrated single-solution calcium and alkalinity additive; balanced ratio of calcium and carbonate released by biological processes without precipitation or oxygen depletion; no byproducts, excess CO2, phosphates, nitrates, or salinity increase (no sodium chloride); stable pH. 6 level spoons per liter RODI water makes the liquid solution; the 1400 g can makes 10 liters. Start with 5 mL solution per 100 L daily, increasing by 2.5 mL per 100 L until constant alkalinity of 7-9 dKH; max 25 mL per 100 L per day; dosing-pump ready once mixed; can be added directly to high-flow areas in larger systems.
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SupplementationTropic Marin
Tropic Marin Carbo-Calcium Powder 700 g mixes into 5 litres of solution that supplies balanced calcium and carbonate (alkalinity) in a single dose without precipitation or salinity increase. Start at 5 ml per 100 L daily, adjusting to hold 7-9 dKH; suitable for all corals and dosing pumps.
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FilterAquaforest
Aquaforest Carbon is a high-quality steam-activated granular carbon for marine and freshwater aquariums. It removes impurities, discoloration, medication residues, and compounds from the chemical competition between corals, and because it is steam-activated it contains no phosphate.
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FilterTropic Marin
Tropic Marin Carbon is a highly efficient activated carbon pellet for use in fresh and marine water aquaria; combats yellow matter and harmful substances from the aquarium water so light penetrates unfiltered to corals, plants, and fish, bringing out their natural colors. Powerful adsorption capacity without releasing excessive phosphates or silicates. 400 g sufficient for 800 L; for continuous use filter ~1% of tank volume per hour through the carbon; change after no more than 8 weeks; for rapid treatment (e.g. after medications), run through a rapid-flow filter for 1-3 days.
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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.
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FilterFluval
Carbon-impregnated foam filter pads made for Fluval FX2, FX4, FX5, and FX6 canister filters. Traps small particles and debris mechanically while the carbon removes odors, discoloration, heavy metals, and organic contaminants. 2-pack.
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SupplementationCarbonDoser
The CarbonDoser Electronic CO2 Regulator V2.0 is a fully automatic regulator with electronic solenoid accurate to ±1/1000 second, no needle valves, LED bubble indicator, and included check valve, compatible with Neptune, Hydros, GHL, and PinPoint controllers.
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SupplementationCarbonDoser
The CarbonDoser Precision Check Valve is a corrosion-resistant check valve custom-made for use with the CarbonDoser CO2 regulator, delivering more consistent and reliable CO2 delivery while protecting the regulator from water exposure. It features a lower 4 psi crack pressure for consistent line pressure, a special corrosion-resistant check ball and spring assembly, and 1/4-inch push-connect fittings for CO2-resistant polyurethane or polyethylene RO tubing; the unit can be disassembled for inspection and cleaning.
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SupplementationProdibio
Prodibio Carbon-Liq (30 Vials) is a liquid organic carbon source for planted freshwater aquariums that promotes dense plant growth by providing bioavailable carbon for photosynthesis; it can be used with CO2 systems, dosed as one vial weekly per 30-50 gallons.
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SupplementationProdibio
Prodibio Carbon-Liq is a liquid organic carbon source for freshwater aquariums that provides bioavailable carbon for photosynthesis and dense plant growth, used weekly in vial doses and compatible with CO2 systems.
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SupplementationProdibio
A liquid organic carbon source from Prodibio for freshwater planted aquariums, packaged as six single-dose nano vials for tanks up to 5 gallons; it supplies bioavailable carbon that promotes dense plant growth through photosynthesis and can be used alongside CO2 injection systems.
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OtherTunze
Tunze Care Magnet Algae Cleaner (Long, 0222.015) is a reinvented magnetic glass cleaner with an ergonomic handle and specially contoured plastic blades of wear-resistant high-performance plastic. Rounded blade corners allow cleaning up to the corners and transitions between glass panes without damaging silicone seals.
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OtherTunze
Tunze Care Magnet Algae Cleaner (Nano, 0220.010) is a reinvented magnetic glass cleaner with specially contoured plastic blades of wear-resistant high-performance plastic (plastic blades recommended for acrylic tanks). Angled blades remove more algae than a flat blade.
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OtherTunze
Tunze Care Magnet Algae Cleaner (Strong, 0222.020) is a reinvented magnetic glass cleaner with specially contoured plastic blades of wear-resistant high-performance plastic (plastic blades recommended for acrylic tanks). Angled blades remove more algae than a flat blade.
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OtherTunze
The Tunze Care Magnet Strong+ is a magnetic algae cleaner for glass 20-25 mm thick, using contoured wear-resistant plastic blades with rounded corners that clean into corners without harming silicone seals. The floating inner magnet and Care Booster grips aid retrieval; includes stainless steel blade, spare plastic blades, grips, clips and coloured end caps.
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OtherTunze
The Tunze Care Magnet Long (0222.015) is a magnetic algae cleaner for aquarium glass 10 to 15 mm thick, designed to clean without scratching since the inner magnet sits more than 3 mm from the glass, preventing sand from jamming. Its slim, high-coupling design includes a rounded stainless steel blade for tough algae, two spare plastic blades (safe even on acrylic), Care Boosters, and colored end caps to match the aquascape.
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OtherTunze
Tunze has reinvented the magnet glass cleaner with the Care Magnet. These magnetic glass cleaners have become a customer and in-house favorite thanks to their many thoughtful design features.
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OtherTunze
A Tunze Care Magnet Strong magnetic glass cleaner for aquariums with glass thickness from 0.50 to 0.79 inches (15 to 20mm). It uses ergonomically contoured wear-resistant plastic blades with rounded corners that clean into corners without damaging silicone seals, and its inner magnet floats for retrieval if decoupled. Includes one stainless steel blade, two spare plastic blades, and Care Booster grips.
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OtherTunze
The Tunze Care Magnet Strong+ 0222.025 is a magnetic aquarium glass cleaner designed for glass thickness of 20 to 25 mm (3/4 to 1 inch). It uses replaceable wear-resistant plastic blades held 3 mm away from the glass so sand cannot become trapped and scratch the pane, includes a stainless steel blade for stubborn calcareous algae, and comes with Care Booster floats that let the inner magnet float to the surface if it detaches.
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OtherTunze
Tunze Care Panes is a 500mL spray-bottle glass and surface cleaner made from 99.9% natural ingredients (organic surfactants with ethereal oil) that is safe for saltwater aquarium environments. Its foaming action targets specific spots with minimal overspray and leaves a streak-free finish on glass, acrylic, lights, and cabinets; the aerosol-free bottle uses 100% recyclable plastic with no metal parts.
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OtherSan Francisco Bay Brand
San Francisco Bay Brand Carnivore Cuisine (30 cubes, 3.5 oz) is an all-natural frozen food with no fillers for saltwater carnivores and omnivores such as triggers, puffers, wrasses, and groupers; it blends seafood ingredients, marine worms, color enhancers, and vitamins, and is fed directly frozen.
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