Installation CGA-320   Pressure Reduction SINGLE STAGE   CO2 Distribution SINGLEAQUARIUM GLA GRO Planted Aquarium CO2 Regulator Discover the excellence of our GLA GRO CO2 regulator,...

              Installation DIN-477 (EU, AU, UK)   Pressure Reduction SINGLE STAGE   CO2 Distribution SINGLEAQUARIUM GLA GRO Planted Aquarium CO2 Regulator (DIN477) Our GLA GRO CO2 Regulator...

              Installation PAINTBALL   Pressure Reduction SINGLE STAGE   CO2 Distribution SINGLEAQUARIUM GLA GRO Paintball Planted Aquarium CO2 Regulator The GLA GRO Paintball CO2 regulator...

GLA modular manifold blocks expand CO2 distribution to more aquariums. Each block contains our custom built-in needle valve and bubble counter to direct supply of CO2 to an additional aquarium, independently. for use with our new release GLA modular...

Intense Precision CO2 Solenoid Valve with Heavy Duty Three-Prong Power Cord (limited release) made in Germany 110V, 3.3 watts 6 ft heavy duty three prong power cord gray anodized aluminum IP67 cord grip 1/8 NPT threaded ports use with DIY CO2 regulator...

OEM replacement acrylic tube for GLA CO2 bubble counters  

OEM replacement O-rings for GLA CO2 bubble counters, 2 pack  

GLA OEM replacement power supply for GLA CO2 regulators

Replacement GLA OEM CO2 bubble counter. Available in two connection size options: Male 10/32 thread or 1/8 FNPT thread (contact GLA or any inquiry into thread size required for your installation). DISCLAIMER: GLA OEM bubble counters are proprietary to...

paintball adapter fitting For use with GLA GRO CO2 regulators, convert to paintball pin valve from CGA or cartridge type installations

CGA320 adapter fitting For use with GLA GRO CO2 regulators, convert from paintball or cartridge type

High quality 2.5lb aluminum CO2 cylinder The perfect size for smaller nature aquarium installations Dimensions: 4.4" D x 14" H CO2 Capacity: 2.5 lb CGA-320 USA Valve Made of high strength Aluminum alloy Corrosion resistant interior and exterior...

2 Pack of 74 gram CO2 cartridges, disposable. Shipping, Warranty & Returns This item ships Standard Service (Ground), only.

Nylon replacement seal for the connection between the CO2 regulator and cylinder. This seal needs to be replaced every time the CO2 cylinder is refilled. Nylon replacement seal. Replace every time you refill your CO2 cylinder.

Atomic series check valve with super low 1psi cracking/opening pressure. Permits flow of CO2 in one direction only. Mount inline. Compatible with our CO2 resistant tubing. Easy view arrow marks the direction of flow - away from your regulator. No CO2...

GLA Super Check Valve permits flow of CO2 in one direction only. Use with a pressurized aquarium CO2 system to protect your equipment. Compatible with our GLA CO2 resistant tubing.

Clear CO2 resistant tubing. High pressure rated.This is NOT silicone tubing which is highly permeable to CO2. With our CO2 resistant tubing, CO2 will not escape and every last drop of CO2 will be put to efficient use. $20 per every 10 feet. Perfect for...

Clear tubing rated for LOW PRESSURE applications. Great for use with glass or acrylic CO2 diffusers.

Black CO2 resistant tubing. High pressure rated.This is NOT silicone tubing which is highly permeable to CO2. With our CO2 resistant tubing, CO2 will not escape and every last drop of CO2 will be put to efficient use. $20 per every 10 feet. Perfect for...

White CO2 resistant tubing. High pressure rated.This is NOT silicone tubing which is highly permeable to CO2. With our CO2 resistant tubing, CO2 will not escape and every last drop of CO2 will be put to efficient use. $20 per every 10 feet. Perfect for...

Transparent Green CO2 resistant tubing. High pressure rated. Perfect for use with Atomic brand CO2 equipment. Sold in 10 foot sections. $20 per every 10 feet. Ships as non-cut, continuous lengths up to 50 feet.

Green CO2 resistant tubing. High pressure rated.This is NOT silicone tubing which is highly permeable to CO2. With our CO2 resistant tubing, CO2 will not escape and every last drop of CO2 will be put to efficient use. $20 per every 10 feet. Perfect for...

Gray CO2 resistant tubing. High pressure rated.This is NOT silicone tubing which is highly permeable to CO2. With our CO2 resistant tubing, CO2 will not escape and every last drop of CO2 will be put to efficient use. $20 per every 10 feet. Perfect for...

Transparent Blue CO2 resistant tubing. High pressure rated. Perfect for use with Atomic brand CO2 equipment. Sold in 10 foot sections. $20 per every 10 feet. Ships as non-cut, continuous lengths up to 50 feet.

Orange CO2 resistant tubing. High pressure rated. Perfect for use with Atomic brand CO2 equipment. Sold in 10 foot sections. $20 per every 10 feet. Ships as non-cut, continuous lengths up to 50 feet.

External CO2 reactor for high efficiency CO2 dissolution by internal whirlpool waterflow, allowing 100% CO2 dissolution in aquarium water. Made of highest quality food grade materials. mount outside aquarium tank, inline within outflow tubing of...

External CO2 reactor for high efficiency CO2 dissolution by internal whirlpool waterflow, allowing 100% CO2 dissolution in aquarium water. Made of highest quality food grade materials. mount outside aquarium tank, inline within outflow tubing of...

Replacement set of hose barbs for 16/22mm CO2 reactor

Our aluminum CO2 diffuser is designed to be installed outside of the aquarium, inline within the outflow tubing of your canister filter, either below the aquarium or mounted to the aquarium glass. This diffuser is capable of 100% dissolution of CO2 in...

Replacement ceramic tube for GLA Aluminum Inline CO2 Diffuser, select appropriate size 16/22mm or 12/16mm.

Replacement fine mist ceramic disc for GLA Acrylic CO2 diffuser with check valve 25cm and 35cm. (Ceramic disc only, diffuser not included) Handle diffuser carefully, do not touch ceramic.  

GLA Acrylic CO2 diffuser with check valve and replaceable fine mist ceramic disc for years of elegant and truly effective CO2 diffusion. Built in external check valve. Suction cups included. Use with rimless nature aquariums. Features replaceable...

Our GLA Acrylic diffuser with ceramic disc creates a super fine mist of CO2 bubbles in the aquarium. Features a classic, timeless appearance to blend in to any aquascape and planted aquarium installation while looking beautiful. Recommended for aquariums...

Our GLA Acrylic diffuser with ceramic disc creates a super fine mist of CO2 bubbles in the aquarium. Features a classic, timeless appearance to blend in to any aquascape and planted aquarium installation while looking beautiful. Recommended for aquariums...

Creates a fine mist diffusion of CO2 in aquarium water for excellent dissolution of CO2 in the aquarium water. Suitable for aquarium tanks < 60cm length 6mm diameter ceramic diffuser Important Instructions... This professional quality diffuser...

Creates a fine mist diffusion of CO2 in aquarium water for excellent dissolution of CO2 in the aquarium water. Suitable for aquarium tanks > 60cm length 8mm diameter ceramic diffuser Important Instructions... This professional quality diffuser...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Creates a super fine mist of CO2 bubbles, bubble size is...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Creates a super fine mist of CO2 bubbles, bubble size is...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Creates a super fine mist of CO2 bubbles, bubble size is...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic+ CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Atomic+ series features fixed suction cups and abuilt-in...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic+ CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Atomic+ series features fixed suction cups and a built-in...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic+ CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Atomic+ series features fixed suction cups and abuilt-in...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Designed to be installed outside of the aquarium, inline...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Designed to be installed outside of the aquarium, inline...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Designed to be installed outside of the aquarium, inline...

For use with the Atomic diffuser series, not compatible with the Atomic+ CO2 diffusers.  Can also be used as suction cup holder channels for CO2 tubing

Replacement threaded CO2 tubing cap. Universal fit for CO2 products on our website only, including all CO2 regulators, diffusers, bubble counters with black threaded tubing caps.

Suction cup holder channels for CO2 tubing

high quality aquarium glass aerator / oxygenator and CO2 diffusion bell

Atomic CO2 bubble counter is an effective tool for accurate measurement of the bubble count at a glance. Measure the amount of CO2 entering the aquarium. Precision CO2 Bubble Counter with integrated check valve. Use to count CO2 bubbles entering aquarium...

The XL Atomic CO2 bubble counter is an effective tool for accurate measurement of the bubble count at a glance. Measure the amount of CO2 entering the aquarium. Extra Large precision CO2 Bubble Counter with integrated check valve. Use to count CO2...

Orb style glass CO2 drop checker for nature aquarium Use to easily monitor your planted aquarium CO2 levels includes one suction cup includes one bottle of ph indicator reagent *We recommend to purchase GLA 4dKH analytical standard and...

Glass planted aquarium CO2 drop checker. Use to measure CO2 levels at-a-glance. Included: One (1) Suction Cup One (1) bottle of pH Indicator Reagent (10 mL) **We recommend you also purchase GLA 4dKH analytical standard to create proper CO2 Indicator...

CAL AQUA LAB's Oracle is designed with elegance and exceptional functionality. Unique to the Oracle is a small white column at the center of the solution chamber. The white background of this column facilitates precise color identification when observing...

4° KH or 4 dKH LAB CERTIFIED ANALYTICAL STANDARD - 118ml (4 oz) bottle CO2 Level Indicator Fluid: 71.44ppm Alkalinity as CaCO3 * ships with / includes pipette for ease of filling drop checker with indicator fluid 4 dKH fluid is used in a CO2 drop...

PPS-Pro (EDTA) Aquarium Plant Fertilizer Package - Perpetual Preservation System Our PPS-Pro (EDTA) Package Includes: GLA EDTA Micromix - 1lb/bag Potassium Nitrate (KNO3) - 1lb/bag Monopotassium Phosphate (KH2PO4) - 1lb/bag Potassium Sulfate...

PPS-Pro (EDTA) Aquarium Fertilizer Package - Fertilizer for Water Plants Our PPS-Pro (EDTA) Package Includes: GLA EDTA Micromix - 1lb/Jar Potassium Nitrate (KNO3) - 1lb/Jar Monopotassium Phosphate (KH2PO4) - 1lb/Jar Potassium Sulfate (K2SO4) -...

PPS-Pro (EDTA+DTPA) Aquarium Fertilizer Package Our PPS-Pro (EDTA+DTPA) Package Includes: GLA EDTA+DTPA Micromix - 1lb/bag Potassium Nitrate (KNO3) - 1lb/bag Monopotassium Phosphate (KH2PO4) - 1lb/bag Potassium Sulfate (K2SO4) - 1lb/bag Magnesium...

PPS-Pro (EDTA+DTPA) Aquarium Fertilizer Package - Aquarium Fertilizer Dosing System Our PPS-Pro (EDTA+DTPA) Package Includes: GLA EDTA+DTPA Micromix - 1lb/Jar Potassium Nitrate (KNO3) - 1lb/Jar Monopotassium Phosphate (KH2PO4) - 1lb/Jar Potassium...

Estimative Index EI - Best Aquarium Fertilizer Package Our Estimative Index EI Package includes: GLA EDTA Micromix (M) - 1lb/bag Potassium Nitrate (KNO3) (N) - 1lb/bag Monopotassium Phosphate (KH2PO4) (P) - 1lb/bag Potassium Sulfate (K2SO4) (K) -...

Estimative Index EI - NPK Aquarium Fertilizer Package Our Estimative Index EI Package includes: GLA EDTA Micromix (M) - 1lb/Jar Potassium Nitrate (KNO3) (N) - 1lb/Jar Monopotassium Phosphate (KH2PO4) (P) - 1lb/Jar Potassium Sulfate (K2SO4) (K) -...

Reef Tank Fertilizer Package - Fertilizer for Coral Reef Our Reef Tank Package includes: Potassium Nitrate (KNO3) - 1lb/Bag Monopotassium Phosphate (KH2PO4) - 1lb/Bag KNO3 Guaranteed Analysis: KNO3 13.7-0-46 Total Nitrogen(N) - 13.7% 13.7% Nitrate...

Reef Tank Fertilizer Package - Fertilizer for Salt Tanks Our Reef Tank Package includes: Potassium Nitrate (KNO3) - 1lb/Jar Monopotassium Phosphate (KH2PO4) - 1lb/Jar KNO3 Guaranteed Analysis: KNO3 13.7-0-46 Total Nitrogen(N) - 13.7% 13.7% Nitrate...

Potassium Nitrate KNO3 - Best Fertilizer for Planted Aquarium 1lb/bag Provides Nitrogen (N) and Potassium (K) to aquarium plants. Macronutrients essential for healthy plant growth and survival. Potassium Nitrate (KNO3), is an essential Nitrogen (N)...

Potassium Nitrate KNO3 - Aquarium Plant Food 1lb/Jar provides Nitrogen (N) and Potassium (K) to aquarium plants. Macronutrients essential for healthy plant growth and survival. Want the world's best KNO3? Our 1lb jar of Potassium Nitrate, is the finest...

Potassium Sulfate K2SO4 - For Fertilizing Aquarium Plants 1lb/bag provides Potassium (K) and Sulfur (S) to aquarium plants Potassium Sulfate (K2SO4), is essential for Fertilizing Aquarium Plants with extra potassium, and vital to protein synthesis...

Potassium Sulfate K2SO4 - Dry Aquarium Fertilizer 1lb/Jar provides Potassium (K) and Sulfur (S) to aquarium plants GLA's K2SO4, Potassium Sulfate, is the Best Aquarium Fertilizer for Fe iron metabolism (K) and root development (S). Potassium is...

Monopotassium Phosphate KH2PO4 - Fertilizer for Aquarium 1lb/bag provides Phosphorous (P) and Potassium (K) to aquarium plants, essential macronutrients for healthy plant growth and survival. We source the world's best Monopotassium Phosphate (KH2PO4)...

Monopotassium Phosphate KH2PO4 - Aquarium Macronutrient 1lb/Jar provides Phosphorous (P) and Potassium (K) to aquarium plants, essential macronutrients for healthy plant growth and survival. Mono Potassium Phosphate (KH2PO4), provides essential K and P...

Magnesium Sulfate MgSO4 - Aquarium Macro Fertilizer 1lb/bag provides Magnesium (Mg) and Sulfur (S) to aquarium plants. Vital macronutrient. MgSO4 Magnesium Sulfate, aquarium macro fertilizer, is essential in photosynthesis, nutrient and waste transfer...

Magnesium Sulfate MgSO4 - Aquarium Plant Nutrients 1lb/Jar provides Magnesium (Mg) and Sulfur (S) to aquarium plants, vital macronutrients Magnesium Sulfate (MgSO4), aquarium plant nutrients vital for phosphorus uptake, providing (Mg) and (S) to plants...

GLA EDTA Micromix - CSMB Micronutrient Fertilizer 1lb/Bag provides EDTA: chelated iron (Fe), chelated manganese (Mn), chelated zinc (Zn), boron (B), magnesium (Mg), and micronutrients to aquarium plants. Our unique super fine powder is evenly ground...

GLA EDTA Micromix - Plantex CSM+B Micronutrient Fertilizer 1lb/Jar provides EDTA: chelated iron (Fe), chelated manganese (Mn), chelated zinc (Zn), boron (B), magnesium (Mg), and micronutrients to aquarium plants. Our unique super fine powder is...

GLA EDTA+DTPA Micromix - Chelated Micronutrient Fertilizer 1lb/bag provides EDTA+DTPA: chelated iron (Fe), chelated manganese (Mn), chelated zinc (Zn), boron (B), and micronutrients to aquarium plants. Our EDTA+DTPA Micromix (Chelated Micronutrient...

GLA EDTA+DTPA Micromix - Best Aquarium Plant Fertilizer 1lb/Jar provides EDTA+DTPA: chelated iron (Fe), chelated manganese (Mn), chelated zinc (Zn), boron (B), and micronutrients to aquarium plants. Our EDTA+DTPA Micromix, is the best aquarium plant...

EDTA Chelated Iron Fertilizer (Fe 13%) - Aquarium Iron Supplement 0.5lb/bag Provides EDTA chelated Iron (Fe) to aquarium plants ideal for use in acidic/soft aquarium water with lower pH Our EDTA Chelated Iron Fertilizer (13%), Aquarium Iron Supplement,...

EDTA Chelated Iron Fertilizer (Fe 13%) - Iron for Aquarium Plants 0.5lb/Jar Provides EDTA chelated Iron (Fe) to aquarium plants ideal for use in acidic/soft aquarium water with lower pH Avoid brittle or rotting plant leaves with Fe EDTA Fertilizer...

DTPA Chelated Iron Fertilizer - Aquarium Iron Fe 11% 0.5lb/bag Provides DTPA chelated Iron (Fe) to aquarium plants ideal for use in alkaline aquarium water with higher pH Looking for the world's best aquarium iron? Our DTPA Chelated Iron Fertilizer...

DTPA Chelated Aquarium Iron Fertilizer - Fe 11% 0.5lb/Jar Provides DTPA chelated Iron (Fe) to aquarium plants ideal for use in alkaline aquarium water with higher pH Iron is vital to plant survival, growth, nutrient regulation, chlorophyll...

Miller Microplex - Micronutrient Aquascape Fertilizer 0.5lb/bag provides EDTA: chelated magnesium (Mg), chelated iron (Fe), chelated manganese (Mn), boron (B), and micronutrients to plants. Our Miller's Microplex, is the best micronutrient aquascape...

Miller Microplex - Trace Elements and Iron Fertilizer for Aquarium Plants 0.5lb/Jar provides EDTA: chelated magnesium (Mg), chelated iron (Fe), chelated manganese (Mn), boron (B), and micronutrients to plants. Our Miller's Microplex, micronutrient...

Calcium Sulfate CaSO4 - DIY Aquarium Plant Fertilizer 1lb/bag provides Calcium (Ca) and Sulfur (S) to plants, vital macronutrients raises general hardness (GH) in soft water Calcium Sulfate (CaSO4), DIY Aquarium Plant Fertilizer, is vital to cell...

Calcium Sulfate CaSO4 - Planted Tank Fertilizer 1lb/Jar provides Calcium (Ca) and Sulfur (S) to plants, vital macronutrients raises general hardness (GH) in soft water CaSO4 (Calcium Sulfate) planted tank fertilizer, is essential to healthy plant...

Ultimate GH Booster - Essential Minerals to Raise GH of RO Water 1lb/bag provides Potassium (K), Magnesium (Mg), Calcium (Ca), and Sulfur (S) to aquarium plants, essential macronutrients. Our Ultimate GH Booster, increases general hardness of aquarium...

Ultimate GH Booster - K, Mg, Ca, and S to Raise GH of Soft Water 1lb/Jar provides Potassium (K), Magnesium (Mg), Calcium (Ca), and Sulfur (S) to aquarium plants, essential macronutrients. Our Ultimate GH Booster will raise GH of RO water, stabilize...

Calcium Nitrate Ca(NO3)2 - Dry Fertilizer for Aquarium Plants 1lb/bag provides Calcium (Ca) and Nitrogen (N) to plants, vital macronutrients use in conjunction with Mg(NO3)2 to raise general hardness (GH) in soft water Feed your aquarium plants our...

Calcium Nitrate Ca(NO3)2 - Macro Fertilizer Aquarium Plants 1lb/Jar provides Calcium (Ca) and Nitrogen (N) to plants, vital macronutrients. use in conjunction with Mg(NO3)2 to raise general hardness (GH) in soft water Do you have leaf tip burn? Fix it...

Manganese Sulfate MnSO4 - Micro Fertilizer for Aquarium 0.25lb/bag provides manganese (Mn) and Sulfur (S) to aquarium plants Our Manganese Sulfate (MnSO4), is the best planted tank fertilizer to provide essential (Mn) and Sulfur (S) to aquarium...

DIY Liquid Fertilizer Dosing Bottle - 500mL Use for quick and easy dosing of planted aquarium fertilizer on a daily basis. Easily measure and prepare your DIY liquid fertilizer stock solution, and dose accurate measurements as needed. Measure just the...

DIY Aquarium Fertilizer Dosing Bottle - 1000mL Use for quick and easy dosing of planted aquarium fertilizer on a daily basis. Easily measure and prepare your DIY liquid fertilizer stock solution, and dose accurate measurements as needed. Measure just the...

DIY Fertilizer Dosing Bottles (Micros and Macros) - Easy DIY Liquid Plant Nutrients Use for quick and easy dosing of planted aquarium Micros and Macros on a daily basis. Easily measure and prepare your DIY Micros and Macros liquid fertilizer stock...

DIY Fertilizer Dosing Bottles - Easy Dosing of Fish Tank Plant Fertilizer Use for quick and easy dosing of planted aquarium Micros and Macros on a daily basis. Easily measure and prepare your DIY Micros and Macros liquid fertilizer stock solutions, and...

Tropica Premium Nutrition - Easy Liquid Micronutrients Fertilizer The Tropica Premium liquid fertilizer does not contain nitrogen or phosphorous for aquariums with heavy fish population provides iron, manganese, and vital micronutrients well suited for...

Tropica Specialised - Liquid All in one Aquarium Plant Fertilizer Tropica All in one liquid fertilizer provides all vital macronutrients, nitrogen (N), phosphorus (P), iron, manganese and essential micronutrients to aquarium plants perfect for heavily...

GLA Substrate Fertilizer - World's Best Aquarium Root Tabs root tabs provide a slow release of nutrients to plant roots, up to 90 days shrimp safe, does not contain Copper Cu Provides macronutrients, essential micros, humic acid, and trace minerals to...

Tropica Nutrition Substrate Capsules - Root Tabs for Aquarium Plants provide extra nutrients to your aquarium plants with Tropica nutrition capsules place in aquarium substrate gravel with tweezers, close to roots of fast growth aquarium...

Tropica Nutrition Substrate Capsules - Root Tabs for Aquarium Plants provide extra nutrients to your aquarium plants with Tropica nutrition capsules place in aquarium substrate gravel with tweezers, close to roots of fast growth aquarium plants capsules...

Bloom and Grow All in one Liquid Fertilizer for Aquarium Plants the perfect all in one liquid fertilizer for your planted aquarium specially formulated in laboratory for aquatic plants to grow healthier and stronger roots without deficiencies provides...

Bloom and Grow Nitrogen Liquid Fertilizer for Planted Aquarium liquid nitrogen fertilizer provides Nitrogen (N) to aquarium plants, phosphate free aids against nitrogen deficiency in plants and poor plant growth use with entire collection of bloom and...

Bloom and Grow Liquid Potassium for Aquarium Plants liquid fertilizer provides potassium (K) to aquarium plants, nitrate and phosphate free formula promotes nutrient uptake and strong roots; aids against potassium deficiency in plants, including...