Hydroponics

The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH...

General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics‚Äö technicians check each batch to ensure that...

General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics‚Äö technicians check each batch to ensure that...

General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics‚Äö technicians check each batch to ensure that...

General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics‚Äö technicians check each batch to ensure that...

GH 1500 PPM Reference Solution - 8OZ

General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...

OBSOLETE SIZE

Fill/drain combo kit. Includes: 1 Active Aqua 1/2" fill/drain fitting 1 Active Aqua 3/4" fill/drain fitting 2 Active Aqua extension fittings 2 Active Aqua screen fittings

OBSOLETE

OBSOLETE

Washer fitting. This washer goes between the threaded flood table fitting and the table itself when assembling a flood/drain hydroponic system. It helps to assure a leak-free connection between the two components.