Groline Waterproof PH & Temperture Tester Grow Room Essentials > Trimming & Dry Nets combined with a 5-step mechanical

combined with a 5-step mechanical system for speed control of the ventilation system

can dim the LED Fixture to 400W or 250W

This original design has a clam shaped tray that accommodates the large volume 25 litre XL pot

Rev and Attack with the addition of Transport in a ready to use spray

Groline Waterproof PH & Temperture Tester Grow Room Essentials > Trimming & Dry Nets combined with a 5-step mechanicalThis GroLine pocket pH Tester is an affordable way to measure the pH of hydroponic nutrient solutions. The maintaining of an optimal pH is essential to maximise optimum growth. The general rule of thumb is that as pH increases the solubility of minerals and nutrients decrease. It is important that nutrients are soluble for plants to uptake and use for growth. The pH of nutrient solution can also affect the bacteria that fix nitrogen for the plant to