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
HM Digital HM Digital Replacement Probe for pH
Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0-14 pH with a waterproof housing. Digital automatic calibration (one point), with
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HM Digital Replacement Probe for pH
$46.87
Bluelab Meter Bluelab pH Pen
Hydroponic growing lets you give the best care possible to your plants. The quality of care is in your control.
The Bluelab pH Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients.
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Meter Bluelab pH Pen
$126.14
General Hydroponics Rubber Grommet 1/2"
1/2" Grommet for Waterfarm
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Rubber Grommet 1/2"
$0.66
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
$43.00
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.
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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
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HM Digital Meter HM Digital Waterproof pH Pen
Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0-14 pH with a waterproof housing. Digital automatic calibration (one point), with
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Meter HM Digital Waterproof pH Pen
$108.07
$64.84
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
$11.99
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
$11.99
General Hydroponics GH pH Up - gal
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. The General Hydroponics pH Up (Base) is formulated using Potassium Hydroxide and Potassium Carbonate which a
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GH pH Up - gal
$39.06
General Hydroponics GH pH Test Kit
Maintaining the proper pH of your fertilizer solution is critical to a crop's ability to utilize nutrients. The roll of pH Papers and General Hydroponics' pH Test Kit are inexpensive and reliable ways to test pH. For the pH paper, simply take a piece and
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GH pH Test Kit
$8.63
General Hydroponics GH pH Down - Gal
The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
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GH pH Down - Gal
$39.06
Botanicare Botanicare 40 Gallon Reservoir - 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
Add to cart
Botanicare 40 Gallon Reservoir - White
$145.14
Tubing Black Soft Line 3/4" - 100' Roll
Premium vinyl tubing made of excellent quality. Made in the USA.
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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 3/4" - Single
Use our 3/4" fittings to design and build your custom irrigation system.
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Barbed Tee Fitting 3/4" - Single
$1.49
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