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Grow Lights Grow Systems, Parts & Pumps - Beginner Systems - Aeroponics - Drip Systems - Ebb & Flow - Clone Machines - Soil Systems - Grow Tents - Trays & Reservoirs - Pumps, Chillers & Filters - Water Pumps - Air Pumps & Diffusers - Chillers, Heaters & Filters - Fittings & Tubing Plant Food Growing Containers / Media pH/TDS Testing Meters Climate Control Propagation Supplies Pest & Disease Control Garden Tools Books & Magazines Sprout Seeds & Supplies Clothing Brew Supplies 
 Oakton Double Junction pHTESTR 30 $159.95 $143.96 Save: 10% off Phresh Filter 4" x 8" -150cfm $104.95 $94.46 Save: 10% off Phresh Filter 6" x 24" -550cfm $194.95 $175.46 Save: 10% off 
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 Air Pumps & Diffusers Eco-Plus 4" Air StoneAn oxygen-rich nutrient solution encourages robust growth and controls pH inbalance. Combine an Eco Plus air stone and 3/16" tubing with an air pump... $1.29 $1.16 Save: 10% off  Eco-Plus 8" Air StoneAn oxygen-rich nutrient solution encourages robust growth and controls pH inbalance. Combine an Eco Plus air stone and 3/16" tubing with an air pump... $1.95 $1.76 Save: 10% off  Air Stone SmallAs close to perfect as diffusers get! Sweetwater® diffusers are the highest-quality ceramic-type air diffusers on the market today. They're machined... $4.50 $4.05 Save: 10% off  Air Stone MediumAs close to perfect as diffusers get! Sweetwater® diffusers are the highest-quality ceramic-type air diffusers on the market today. They're machined... $7.95 $7.16 Save: 10% off  Eco Air 1 (Single Outlet Air Pump)Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Convenient to operate without oil or much noise. Cylinders and pistons... $8.95 $8.06 Save: 10% off  Eco Air 2 Pump (Dual Outlet Air Pump)Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Convenient to operate without oil or much noise. Cylinders and pistons... $13.95 $12.56 Save: 10% off  Eco Air 4 Pump (4 Outlet Air Pump)Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Convenient to operate without oil or much noise. Cylinders and pistons... $32.95 $29.66 Save: 10% off  Eco Air 8 Pump (8 Outlet Air Pump)Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Convenient to operate without oil or much noise. Cylinders and pistons... $63.95 $57.56 Save: 10% off  GH Dual Diaphram Air PumpGeneral Hydroponics Dual Diaphragm air pump is the only air pump in the world that is manufactured exclusively for use with hydroponics systems. This... $81.95 $73.76 Save: 10% off |
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