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Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
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5,380 matching items · Most used first
Tank & FurnitureWaterbox Aquariums
The Waterbox AIO 50.3 Aquarium System is a 49-gallon all-in-one aquarium built from 10 mm ultra-clear low-iron glass. Filtration chambers, overflow, and return are integrated behind the display in a clean, minimalist setup, and it includes filter socks, carbon, and biological media.
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Tank & FurnitureWaterbox Aquariums
The Waterbox AIO 65.4 is a 65-gallon all-in-one aquarium system with integrated rear filtration chambers built into the tank. It includes filter socks, media, and an adjustable Y-flow return nozzle, with a Starphire ultra-clear glass display and optional cabinet.
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SupplementationMaxspect
Maxspect Aiptasia Control is a thick, adhesive-like paste that can easily be injected near problem Aiptasia anemones without being carried away by water flow. It stimulates a feed response, encouraging the anemone to consume the paste, which then dissolves it from the inside out within minutes; 100% reef safe, will not affect water chemistry, includes syringe and 2 needle nozzles.
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![air cleaner + felt wheel f. air 100/200/400 [7400030]](https://media.tankjournal.com/equipment/air-cleaner-felt-wheel-1271-8731-3c84f05f6deb-w640.webp)
OtherEHEIM
The Eheim air cleaner with felt wheel (part 7400030) is a replacement spare part for Eheim air pumps 100, 200 and 400.
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FilterBulk Reef Supply
The Air Filled Pressure Gauge 1-100 PSI comes assembled with 1/4-inch quick connect fittings for quick easy installation in-line before the RO membrane. Sufficient PSI is very important for the correct operation of a reverse osmosis unit; it assures proper pressure and makes pressure drops apparent, indicating sediment and carbon blocks need changing.
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FilterEHEIM
The Eheim Air filter is a modular air-driven internal filter for small aquaria and quarantine/breeder tanks, built from click-together tubes with a thick sponge that filters well while protecting small or weak fish. It can be extended with a second sponge or InstallationKit accessories; requires a conventional air pump (not included).
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FilterBulk Reef Supply
The Air Gap Faucet in brushed nickel is recommended for use on a reverse osmosis system with a drinking water system attached. Air gap faucets prevent sink drain water from entering the system via the waste water line; some noise while the storage tank fills is normal. Requires 7/8-inch hole, 1/4-inch product line, and 3/8-inch drain line.
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OtherEHEIM
The Eheim air100 is a quiet single-output air pump delivering 100 L/h, suitable for aquariums up to 30 gallons at depths up to 6.5 ft. Includes adjustable flow control, suction-mount diffuser and 1 m airline tubing; rubber suction pads, dampening edges and a hanging hole keep it near-silent and easy to place.
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OtherEHEIM
The Eheim AIR1000 pond aerator supplies oxygen for fish and plants in garden ponds while improving circulation and biological breakdown of harmful substances. The super-silent, energy-efficient 8.5 W pump (1000 L/h max flow, 2.8 m max head, 280 mbar) has two outlets in a UV-resistant housing; includes 2 aerator stones, 2 x 5 m hoses, two-in-one connectors and non-return valves, with 3 m cable.
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OtherEHEIM
The Eheim air200 is a quiet dual-output air pump delivering 100 L/h per outlet (200 L/h combined), suitable for aquariums up to 60 gallons at depths up to 6.5 ft. Includes adjustable flow control, 2 suction-mount diffusers and 2 m airline tubing; rubber suction pads, dampening edges and a hanging hole keep it near-silent and easy to place.
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OtherEHEIM
The Eheim air400 is a quiet dual-output air pump delivering 200 L/h per outlet (400 L/h combined), suitable for aquariums up to 120 gallons at depths up to 6.5 ft. Includes adjustable flow control, 2 suction-mount diffusers and 2 m airline tubing; rubber suction pads, dampening edges and a hanging hole keep it near-silent and easy to place.
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Substrates & AquascapingLiquid Gardens
Liquid Gardens Alder Cones (25 count) release natural tannins that tint freshwater aquariums toward blackwater conditions, with believed anti-bacterial and anti-fungal properties; they also serve as shelter and food for shrimp and snails.
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OtherAquaLife
The aquaLife Algae Destroyer Tools 3 Piece Cleaning Set is a must-have kit for general maintenance and pump cleaning. It includes a double-sided brush for hard-to-reach areas, a single-sided wide flat brush for larger surfaces, and a double-sided plastic pick for delicately removing pests from corals; ideal for both fresh and saltwater aquariums.
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OtherAquaLife
The aquaLife Algae Scrubber Pad HD (2-pack, 3 x 5 x 0.75 in) is twice as durable as most cleaning pads, safe for glass or acrylic, with an easy grip for stubborn algae removal; for freshwater and saltwater aquariums.
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OtherLifegard Aquatics
Lifegard Algae Scrubber Pads are great for hand cleaning of large or small tanks. The white color designates them for use with acrylic or glass aquariums; the coarse fiber weaving removes all algae types from acrylic without leaving scratches like glass pads may, available in 3x3-inch and 4x6-inch sizes.
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OtherLifegard Aquatics
The Lifegard Algae Scrubber Pads are blue hand-cleaning pads with coarse fiber weaving designed for scrubbing algae off glass aquariums. They are available in 3x3 inch and 4x6 inch sizes and are intended for glass tanks only.
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OtherHikari
Hikari Algae Wafers Fish Food (2.2 lbs) is a sinking disc fish food developed for plecostomus and other algae-eating bottom feeders, including marine herbivores. It offers high levels of vegetable matter, multiple algaes, and pure-cultured spirulina with stabilized vitamin C, and the discs sink rapidly and hold their shape without clouding the water.
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Water PurificationAPI
API ALGAEFIX algae control effectively controls green water blooms, hair algae, and many other algae types in freshwater aquariums without harming fish or live plants when used as directed. A dose of 1 ml per 10 gallons, repeated every three days until algae is controlled, reduces aquarium maintenance; do not use with freshwater crustaceans.
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Water PurificationProdibio
Prodibio Alg'out (30 vials) prevents algae in freshwater aquariums by trapping dissolved phosphates, safe for fish, invertebrates, bacteria, and plants, containing no herbicides, pesticides, or antibiotics; dose 1 vial weekly.
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Water PurificationProdibio
A Prodibio algae prevention product that traps phosphates in the water, starving algae of one of their main nutrients. It is safe for fish, invertebrates, bacteria, and plants, containing no herbicides, pesticides, or antibiotics.
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Water PurificationProdibio
Prodibio Alg'out Nano (6 Vials) is an algae-prevention additive for freshwater nano aquariums up to 5 gallons that traps dissolved phosphates, a main cause of algae growth; it contains no herbicides, pesticides, or antibiotics, won't harm biological filtration, and is dosed at one vial weekly.
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OtherHanna Instruments
The Hanna Alkalinity dKH Colorimeter HI772 Checker is a pocket-sized digital colorimeter for marine water alkalinity (0.0-20.0 dKH, 0.1 dKH resolution, +/-0.3 dKH accuracy). It bridges simple chemical test kits and professional instrumentation: zero the instrument with the water sample, add the HI772-26 reagent, press the button, and read results on the large LCD display; includes checker, 2 cuvettes, reagent, syringe, battery, and instructions.
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OtherHanna Instruments
The Hanna Alkalinity Checker HI755 is a digital colorimeter that gives accurate easy-to-read alkalinity results in parts per million, which can easily be converted to dKH or meq/L. It is pocket-sized and AAA battery-powered; zero the instrument with the water sample, add the reagent, and press the button, with range 0-300 ppm and 1 ppm resolution.
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OtherNyos
The Nyos Reefer Alkalinity Test Kit offers highly precise measurements of saltwater carbonate hardness with lab-quality accuracy. Manufactured in Germany, it includes enough reagents for approximately 50 tests, a calibrated dropper, and precise color change titration; designed specifically for saltwater.
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OtherFocustronic
The Focustronic Alkatronic & Mastertronic Hose Filter is a replacement hose filter for Alkatronic and Mastertronic aquarium testing devices.
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OtherFocustronic
The Focustronic Alkatronic is an all-in-one standalone product designed to monitor and stabilize alkalinity levels in reef aquarium systems. It automatically corrects KH deviations by dosing carbonates from its own dosing pump or activating a Bluetooth Smart Outlet; measure every 1-12 hours, dKH range 4.48-15.40, includes pH probe, USB cable, graduated cylinders, testing beaker, and silicone tubing.
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OtherFocustronic
The Focustronic Alkatronic Pro is a standalone WiFi alkalinity controller that monitors KH, pH, and temperature with high-precision dosing pumps, cloud alerts, and freshwater compatibility, maintaining alkalinity in the 7-10 dKH range.
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OtherFocustronic
The Focustronic Alkatronic Reagent (4L) is 4 liters of concentrated reagent for the Alkatronic and Alkatronic Pro automated alkalinity testers, running at under $10 per month at 6 tests per day.
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OtherFocustronic
The Focustronic Alkatronic Reagent Pipe is the replacement acrylic reagent pipe for the Alkatronic Alkalinity Controller. It routes the alkalinity testing reagent through the controller during automated water tests.
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SupplementationTropic Marin
Tropic Marin All-For-Reef is a revolutionary approach to dosing, combining calcium, alkalinity, and other trace elements into a single, easy to use solution. It's a balanced source of calcium and carbonate hardness along with a mix of trace elements; no mixing, no gas cylinders, no fuss, available in 250mL, 500mL, and 1000mL.
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