Explore plant fertilizers, liquid CO2, reef dosing pumps and supplements used by aquarists.
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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
SupplementationAquario
The Aquario NEO CO2 - DIY CO2 Kit is an all-in-one natural bio-fermentation CO2 kit for planted aquariums from 10 to 30 gallons; generates a steady stream of carbon dioxide for up to 50-60 days per round. Includes culture bottle, bio powder, acrylic diffuser, tubing, and suction cups.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Curved Diffuser - Tiny is an ultra-compact acrylic aquarium CO2 diffuser for nano tanks up to 8 gallons, with a pre-bent hook that curves over the glass; micro-hole ceramic membrane produces an ultra-fine CO2 mist. Short and Normal sizes.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Curved Original Diffuser is an acrylic aquarium CO2 diffuser with a pre-bent neck that hooks over the tank rim and an integrated bubble counter; micro-pore ceramic disc produces an ultra-fine CO2 mist. Small, Medium, and Large sizes.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Curved Special Diffuser is an acrylic aquarium CO2 diffuser with a pre-bent neck that hooks over the tank rim for a clean, minimalist look; micro-hole ceramic membrane produces a dense, cloud-like CO2 mist. Special series without bubble counter; Small, Medium, and Large sizes.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Extended Diffuser - Tiny is an ultra-compact acrylic aquarium CO2 diffuser for micro tanks up to 8 gallons, with an 8mm micro-ceramic disc and an extra-long 15.65-inch stem for routing gas down to the substrate; heat-bendable for custom rim fit.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Extended Original Diffuser is an acrylic aquarium CO2 diffuser with an extra-long 15.65-inch tube body for deep tanks, positioning the diffuser head low near the substrate; integrated bubble counter and shatterproof construction. Small, Medium, and Large sizes.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Extended Special Diffuser is an acrylic aquarium CO2 diffuser with a super-extended 15.65-inch tube for deep tanks; bendable to position the diffuser head without flexible lines inside the tank. Special series without bubble counter; Small, Medium, and Large sizes.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Normal Diffuser - Tiny is an ultra-compact acrylic aquarium CO2 diffuser for nano tanks up to 8 gallons; tiny 8mm micro-pore ceramic disc produces a fine, cloud-like CO2 mist. Crystal-clear, shatterproof construction.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Normal Original Diffuser is an acrylic aquarium CO2 diffuser with a micro-pore ceramic disc that releases an ultra-fine CO2 mist; integrated bubble counter chamber and shatterproof construction. Small, Medium, and Large sizes.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Normal Special Diffuser is an acrylic aquarium CO2 diffuser with a micro-hole ceramic membrane that produces an ultra-fine, cloud-like CO2 mist; Special series removes the integrated bubble counter for an ultra-low-profile appearance. Tiny, Small, Medium, and Large sizes.
0 showcased tanks
SupplementationAquario
The Aquario Neo CO2 Refill - DIY CO2 Kit is a maintenance refill pack of gel matrix powder and bio-yeast packets that resets the Aquario Neo DIY CO2 Kit bottle for another 50-60 days of CO2 output.
0 showcased tanks
SupplementationAquario
The Aquario Neo Fluid No CO2 Liquid Fertilizer is a complete all-in-one liquid fertilizer for planted aquariums without CO2 injection; contains nitrogen, phosphate, potassium, iron, and trace elements to support plant growth, root systems, and new leaf development. 300ml bottle.
0 showcased tanks
SupplementationAquario
The Aquario Neo Mixer is an inline CO2 injection attachment that clips onto the outlet of the Aquario Neo Flow lily pipe system; injects CO2 into the filter output stream before it enters the tank, creating an ultra-fine micro-bubble mist without in-tank diffuser clutter. Medium and Large sizes.
0 showcased tanks
SupplementationAquario
Aquario Neo Plants Tab 1 is a comprehensive macronutrient root fertilizer using slow-release technology to address phosphate and general macro deficiencies, such as old leaves melting away, red plants losing color, or stalled growth. The tabs deliver Nitrogen, Phosphoric Acid, and Potassium directly to the root zone without leaching into the water column, safe for fish, snails, and dwarf shrimp when buried. Over 100 tabs per bottle, replaced approximately every 2 months.
0 showcased tanks
SupplementationAquario
Aquario Neo Plants Tab FE is a targeted iron root fertilizer using slow-release technology to address iron deficiencies in aquatic plants, such as pale, yellow, or bleached new growth and loss of red coloration. The tabs deliver iron directly to the root zone without leaching excess nutrients into the water column, safe for fish, snails, and dwarf shrimp when buried. Over 100 tabs per bottle, replaced approximately every 2 months.
0 showcased tanks
SupplementationAquario
Aquario Neo Plants Tab K is a targeted potassium root fertilizer using slow-release technology to fix potassium deficiencies in aquatic plants, such as pinholes in older leaves and yellowing leaf borders. The tabs deliver potassium directly to the root zone without leaching excess nutrients into the water column, safe for fish, snails, and dwarf shrimp when buried. Over 100 tabs per bottle, replaced approximately every 2 months.
0 showcased tanks
SupplementationAquario
Aquario Neo Plants Tab St. Long is a premium organic slow-release root fertilizer formulated to replenish depleted soils in established aquariums over a year old, support heavy root-feeding species, and correct calcium deficiencies causing twisted or stunted new growth. The tabs supply steady nutrients directly to the root zone without leaching into the water column, safe for fish, snails, and dwarf shrimp when buried. Over 100 tabs per bottle, replaced approximately every 2 months.
0 showcased tanks
SupplementationAquario
The Aquario Neo Solid No CO2 Tab is a slow-release substrate root fertilizer for low-tech planted aquariums without CO2 injection; provides substrate carbon and organic nutrients that stay localized around roots to support low-tech root systems without spiking water column chemistry.
0 showcased tanks
SupplementationAquario
The Aquario Neo Solution 1 - Macronutrient Liquid Fertilizer is a targeted macronutrient liquid fertilizer supplying nitrogen, phosphorus, potassium, and magnesium to the water column to fuel vegetative growth and photosynthesis and address macro deficiencies. 300ml and 1000ml bottles.
0 showcased tanks
SupplementationAquario
The Aquario Neo Solution 2 - Micronutrient Liquid Plant Fertilizer is a comprehensive micronutrient liquid fertilizer supplying iron, boron, molybdenum, calcium, and micro elements with amino and humic acids to the water column, supporting enzymatic function, cell division, and healthy new growth. 300ml and 1000ml bottles.
0 showcased tanks
SupplementationAquario
The Aquario Neo Solution Complex - Liquid Fertilizer is a complete, all-in-one fertilizer for planted aquariums, combining the benefits of Neo Solution 1 and 2 in a single product; provides nitrogen, potassium, phosphate, magnesium, and trace elements to support healthy aquatic plant growth and vibrant coloration.
0 showcased tanks
SupplementationAquario
The Aquario Neo Solution FE - Liquid Iron Fertilizer is a targeted liquid iron fertilizer supplying highly bioavailable chelated iron to the water column; supports chlorophyll synthesis, enzyme activation, and vivid pigment formation, correcting pale or bleached new leaves and enhancing red, pink, and orange coloration in stem plants. 300ml and 1000ml bottles.
0 showcased tanks
SupplementationAquario
The Aquario Neo Solution K - Liquid Potassium Fertilizer is a targeted potassium liquid fertilizer supplying essential potassium to the water column; plants use potassium to regulate osmotic pressure, activate photosynthetic enzymes, and facilitate nutrient transport, addressing pinholes in older leaves, yellowing, and sluggish growth. 300ml and 1000ml bottles.
0 showcased tanks
SupplementationCO2Art
The CO2Art Aquarium CO2 Drop Checker Solution (15 ml 4dKH pre-mixed) fills drop checkers with no mixing required, turning dark green at appropriate CO2 levels, blue when too low, and yellow when too high; replace monthly for best accuracy.
0 showcased tanks
SupplementationUltum Nature Systems
The Aquarium Suction Cups are marine-grade suction cups with removable snap-on clips for securing aquarium airline and CO2 tubing snug against glass or acrylic tank walls; built-in clips pop off for use as clean, direct glass-to-glass mounts for glass lily pipes. 5, 10, and 20 packs.
0 showcased tanks
SupplementationAquarium Munster
Aquavital PLANTAPLUS 100 ml is a compound plant fertilizer with trace elements and high-quality bivalent iron for abundant aquarium plant growth without excess algae. Phosphate- and nitrate-free.
0 showcased tanks
SupplementationARCHAEA
The ARCHAEA AccuPRO (Elite) Full-Size Dual Gauge CO2 Regulator is a professional-grade CO2 regulator for aquascaping, with a high-accuracy needle valve, full-size dual pressure gauges, integrated electronic solenoid valve, and a tool-free self-locking connector for CGA 320 cylinders. Solid brass construction with hard chrome finish; includes a metal bubble counter (screw-on type); made in Taiwan.
0 showcased tanks
SupplementationARCHAEA
The Archaea AccuPRO CO2 Metal Bubble Counter (In-line type) measures the CO2 supply of the aquarium tank, with a built-in check valve to prevent water backflow from damaging the regulator. Solid brass, nickel-plated body for corrosion resistance, and a high-transparency acrylic chamber for accurate monitoring; includes 2 suction cups and 2 plastic tube holders; made in Taiwan.
0 showcased tanks
SupplementationARCHAEA
The Archaea AccuPRO CO2 Metal Bubble Counter (Screw-on type) is for measuring the CO2 supply of the aquarium tank, with a built-in check valve to prevent water backflow from damaging the solenoid valve. The solid brass, nickel-plated body is durable and corrosion-resistant, and the high-transparency acrylic chamber allows accurate monitoring of CO2 injection; made in Taiwan.
0 showcased tanks
SupplementationARCHAEA
The ARCHAEA AccuPRO II Compact Dual Gauge CO2 Regulator is a compact, stylish CO2 regulator with a highly precise needle valve, dual-gauge pressure indicators, and a fully integrated electronic solenoid valve. Compatible with all sizes of CGA 320 threaded cylinders and paintball cylinders (adapter included); solid brass with hard chrome plating, made in Taiwan.
0 showcased tanks