Bluelab pH Pen - Hydroponic Testing Equipment fruit An open pollinated variety

An open pollinated variety

with four to 10 scales

fresh nutrient solution

A bioinsecticide for the control of red spider

Rocket and Parsley seeds

Bluelab pH Pen - Hydroponic Testing Equipment fruit An open pollinated varietyThe ultimate handy solution for measuring pH and temperature! Plants get their nutrient from minerals but they can only get all the right minerals they need if certain conditions are right. Think of nutrients like a lock. pH is the key. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen also measures the temperature of the solution, as root health is vital to the success of a