Hydroponics

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...

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...

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...

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 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

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.

OBSOLETE

Screen fitting. This fitting is used for the flood/drain cycle in flood tables. The screened design allows nutrient solution to flow freely during flooding while preventing growing media from the table especially when using LECA/grow rocks from getting...