PH Probe Cleaning Solution Size:300ml The viewing hole can be

The viewing hole can be covered if desired with a light-proof Velcro curtain on the tent’s exterior

both ample sources of macronutrients

or slow stunted growth

CFL lamps or 250 W Metal Halide lamps

it can impart a slightly metallic and intensely bitter taste from the left-over nutrients

PH Probe Cleaning Solution Size:300ml The viewing hole can beDescription Growth Technology pH Probe Refill & Storage Solution 300ml If your pH probe dries out during storage, its accuracy and lifespan are likely to be drastically reduced. Keep your pH probe in good condition by wetting and storing the probe in Growth Technologys specially designed storage solution. How pH Probe Refill & Storage Solution Works Growth Technology pH probe cleaner is a special storage solution containing dilute potassium chloride.