Hydroponic Systems, Equipment and Testing

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Hydro Flow Barbed Straight Connector 1/4" - Single
Use these high quality barbed 3/16 in connectors for your irrigation systems or hydroponic systems. Feature 3 barbs for a tight fit. Bump stop assures fittings are completely and securely inserted in tubing. Made with 100% virgin plastic.
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Barbed Straight Connector 1/4" - Single
$0.26
Barbed Straight Connector 1/2" - Single
Use our 1/2" fittings to design and build your custom irrigation system.
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Barbed Straight Connector 1/2" - Single
$0.66
Hydro-Logic Stealth/Small Boy KDF85/Catalytic Carbon Upgrade Filter
Replacement carbon filter for Hydro-Logic Stealth reverse-osmosis filtration systems.
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Hydro-Logic Stealth/Small Boy KDF85/Catalytic Carbon Upgrade Filter
$50.95
Botanicare Botanicare 40 Gallon Reservoir Lid - White
Designed for excellent performance and easy maintenance, Botanicare's Premium Reservoirs are true capacity with exceptional durability. These reservoirs are a reincarnation of Botanicare's original reservoir offering with the benefits of our Low Profile r
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Botanicare 40 Gallon Reservoir Lid - White
$98.16
Calibration Solution PH4 - 8 Oz
A meter is only as good as the calibration. General Hydroponics Standard Reference Solution is available in pH 4.01 (pink) and 7.01 (green). Solution should not be reused. Pour a small quantity from bottle, calibrate meter, and dispose of used solution. P
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Calibration Solution PH4 - 8 Oz
$9.03
Israeli Filter Assembly 140 Mesh
A post pump filter assembly to stop drip heads from clogging. To clean, simply unscrew the bottom of the filter, remove the disc assembly, and clean out debris. Filter disc assembly never needs changing.
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Israeli Filter Assembly 140 Mesh
$54.99
Medium Round Air Stone - 3/16" ID
When powered by a high-output air pump, this large (13⁄8" x 15⁄8" tall ) air stone continuously releases thousands of bubbles to adequately aerate most large hydroponic reservoirs. Increased oxygen in the nutrient solution prevents root rot, encourages nu
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Medium Round Air Stone - 3/16" ID
$4.99
Hydro-Logic Hydro-Logic Stealth/Small Boy Float Valve
This float valve has a 1/4" quick-connect fitting and adjustable water level. It can be mounted vertically or horizontally. It works great for the Stealth RO and Small Boy or any other filter system with 1/4" tubing. Use plumber's tape on threads.
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Hydro-Logic Stealth/Small Boy Float Valve
$28.99
Hydro-Logic Hydro-Logic Small Boy
Small Boy and Tall Boy Filters. Both of these filters remove up to 99% of chlorine and 90% of sediment, rust, silt, etc. These units produce clear water filtered down to 5 microns. The Small Boy produces up to 60 GPH and the Tall Boy up to 120 GPH.Big B
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Hydro-Logic Small Boy
$149.35
Tubing Air Clear Vinyl 3/16" ID - 100 Ft Roll
Premium vinyl tubing made of excellent quality. Made in the USA. Ideal for air movement from an air pump to air stones, air discs, Aqua Lung, Water Winds, etc.
Tubing Air Clear Vinyl 3/16" ID - 100 Ft Roll
$22.39
Hydro Flow Hydro Flow In-Line Micro Irrigation Valve 3/16 in
Hydro Flow Micro Irrigation Valve allows you to adjust your flow rate in your drip application. Fits snugly to Hydro Flow 3/16 in tubing.             
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Hydro Flow In-Line Micro Irrigation Valve 3/16 in
$1.25
Bluelab Bluelab pH 4.0 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).Calibration Solution should be stored in a cool place out
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Bluelab pH 4.0 Calibration Solution 250 ml
$13.99
Bluelab 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).Calibration Solution should be stored in a cool place out
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Bluelab pH 7.0 Calibration Solution 250 ml
$13.99
General Hydroponics GH pH Down - Qt
For plants to grow their best, it's important that the nutrient pH be slightly acidic - the range of 5.5 to 6.5 is considered ideal for most crops. Our own pH Down is made with phosphoric acid. There are many pH down products on the market, but you get mo
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GH pH Down - Qt
$15.99
Tubing Black Soft Line 3/4" - 100' Roll
Premium vinyl tubing made of excellent quality. Made in the USA.
Tubing Black Soft Line 3/4" - 100' Roll
$96.35
Tubing Black Soft Line 1/2" - 100' Roll
Our tubing is UV stabilized for long life when exposed to sunlight. Black tubing is recommended for use in water gardening because it practically disappears underwater, and since sunlight does not penetrate it, algae growth inside the tubing is inhibited.
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Tubing Black Soft Line 1/2" - 100' Roll
$48.25
Barbed Tee Fitting 1/4" - single
Use our 1/4" fittings to design and build your custom irrigation system.
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Barbed Tee Fitting 1/4" - single
$0.50
Barbed Tee Fitting 1/2" - Single
Use our 1/2" fittings to design and build your custom irrigation system.
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Barbed Tee Fitting 1/2" - Single
$0.66
Swivel Adapter 1/2" Compression to 3/4" Female Pipe Thread
The 1/2" female pipe thread splits to accept 2 - 1/2" irrigation lines. Simply push the 1/2" irrigation line into the water-tight slip fittings. The Swivel T can be used with the Israeli Filter.
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Swivel Adapter 1/2" Compression to 3/4" Female Pipe Thread
$2.09
Bluelab Bluelab Storage Solution PH Probe (KCL) 120 ml
The perfect solution to store and hydrate all your pH measuring instruments. We know it is extremely important to care for and store pH probes correctly. pH probes are sensitive glass instruments which age through normal use. The life and performance of
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Bluelab Storage Solution PH Probe (KCL) 120 ml
$17.99
Netafim Woodpecker Drip Head 2 gph - Single
Simply poke a small hole, using a thumb tack, or needle, where you would like to place the dripper. Open the hole to the correct size by using a hole punch tool. Insert the drip head into the line (colored side in). Attach a length of Woodpecker drip line
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Netafim Woodpecker Drip Head 2 gph - Single
$0.60
Bluelab Bluelab 2.77EC Conductivity Solution 500 ml
Conductivity (measured in ppm, EC, TDS, CF) is the total soluble salts contained within a liquid solution.<br /> Pure water does not contain salts, so it has a conductivity measurement of zero. By adding soluble elements(fertilizers or other additives) to
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Bluelab 2.77EC Conductivity Solution 500 ml
$18.90
Hydro-Logic Hydro-Logic Stealth RO 150
Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth has a 2:1 waste to product water ratio. Optional 1:1 ratio flow restrictor saves 50% more waste water. Customized for gardening and hydroponics. The Stealt
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Hydro-Logic Stealth RO 150
$291.71