GroLine Electrode Storage Solution (500 mL) flowering Use this formulation to boost

Use this formulation to boost calcium and magnesium levels during all phases of plant growth

100 & 75 micron rated Drum Screens

the HydroGEN PRO

Insert support if necessary

and one porthole cover—a great value at an affordable price

GroLine Electrode Storage Solution (500 mL) flowering Use this formulation to boostHI70300 050 is a GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH electrode hydrated. Ideally a storage solution should be used; never store an electrode in distilled or deionized water. The GroLine storage solution is specifically formulated to minimize