EcoPlus Commercial Air 5 - 80 Watt Single Outlet 1300 GPH Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Includes chrome air manifold, ranging from six to twelve outlets. Cylinders and pistons are made of premium materi

Bluelab Carry Case The Bluelab Carry Case provides a custom fit so you can use and read your Bluelab Meter right from the carry case. A firm outer casing offers impact reduction for your Meter. There are two pockets in the top of the case especially ma

Stealth-RO300™ with upgraded KDF 85 filter Removes 98%+ of all contaminants in your tap water including chloramines! Leading the industry in efficiency, the Stealth includes your choice of both 1:1 and 2:1 waste to product water ratios. Customized for

Ultraviolet (UV) sterilizer for after-stealthRO water. Assures 100% of bacteria and viruses are sterilized. Its UV treatment kills all living bacteria and microbes and ensures safe water for your family and plants. 0.5 GPM Comes with ballast and clips

Stealth-RO150 Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth includes your choice of both 1:1 and 2:1 waste to product water ratios. Customized for gardening and hydroponics. The #1 selling filter in

Stealth-RO300 Reverse Osmosis Filter - 300 gpd Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth includes your choice of both 1:1 and 2:1 waste to product water ratios. Customized for gardening and hydr

GH Dual Diaphragm Air Pump 320 GPH The General Hydroponics® Dual Diaphragm air pump is extremely quiet and the only air pump in the world manufactured exclusively for hydroponics systems. This high output pump has four adjustable 1/4 in outputs that c

Bluelab pH 7.0 Calibration Solution 250 ml "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibratio

EcoPlus Hydrovescent Air Disc 8 in EcoPlus® Hydrovescent Air Disc® air diffusers are great for aerating or circulating nutrients in your tanks or reservoirs. These air diffusers incorporate suction cup feet to keep your Hydrovescent Air Disc® secured

Hydro-Logic® Float Valve - 3/8 in This float valve features a 3/8 in quick connect fitting and adjustable water level. Can be mounted vertically or horizontally. Stainless steel and PVC components. This float valve allows you to fill a reservoir or tan

EZ-Clone® Low Pro 16 Cutting System Black EZ-Clone® is proud to announce the introduction of the brand new 16 Site Low Pro System. The overall height has been reduced, while increasing the structural integrity of the new proprietary lid and reservoir.

Hydro Flow Barbed Elbow 1/2 in Our complete line of fittings is known for its superior performance and reliability. These non-corrosive plastic fittings are guaranteed to provide a secure, watertight and airtight connection. These fittings offer stren

EcoPlus Hydrovescent Air Disc 6 in EcoPlus® Hydrovescent Air Disc® air diffusers are great for aerating or circulating nutrients in your tanks or reservoirs. These air diffusers incorporate suction cup feet to keep your Hydrovescent Air Disc® secured

EcoPlus Hydrovescent Air Disc 4 in EcoPlus® Hydrovescent Air Disc® air diffusers are great for aerating or circulating nutrients in your tanks or reservoirs. These air diffusers incorporate suction cup feet to keep your Hydrovescent Air Disc® secured

EcoPlus Large Round Air Stone These great quality Air Stones aerate and add oxygen to the water in your reservoir or grow system. Circulates nutrients into the water and helps to maintain an even water temperature. Use with 3/16 in ID air line product

EcoPlus Medium Round Air Stone These great quality Air Stones aerate and add oxygen to the water in your reservoir or grow system. Circulates nutrients into the water and helps to maintain an even water temperature. Use with 3/16 in ID air line produc

EcoPlus Small Round Air Stone These great quality Air Stones aerate and add oxygen to the water in your reservoir or grow system. Circulates nutrients into the water and helps to maintain an even water temperature. Use with 3/16 in ID air line product

EcoPlus Eco Air 8 Eight Outlet - 13 Watt 380 GPH Widely used in hydroponic systems. Convenient to operate without oil. Cylinders and pistons are made of premium materials, making the pump strong and durable. Will meet the requirements of pumps with ai

EcoPlus Commercial Air 3 - 35 Watt Single Outlet 1030 GPH Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Includes chrome air manifold, ranging from six to twelve outlets. Cylinders and pistons are made of premium materi

Hydro-Logic® Float Valve - 1/2 in Barbed This float valve comes with a 1/2 in barbed fitting. Adjustable water level and can be mounted horizontally or vertically. Allows you to fill any tank or reservoir unattended—never flood your garden again! All p

Hydro-Logic® Float Valve - 1/4 in This float valve features a 1/4 in quick connect fitting and adjustable water level. It can be mounted vertically or horizontally. With stainless steel and PVC components. The float valve allows you to fill a reservoir

Hades Down Quart This blend of organic acids lowers your nutrient solution's pH. It's our pH down. Don't worry if you over shoot the down: just add some Olympus Up and see the benefits of adding more calcium.

GH pH Down Liquid Gallon The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.

100 ml pH 7,00 calibration solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C. Do not return liquid.