Bluelab pH Pen Lighting > Complete Lighting Kits Modern plants have evolved from

Modern plants have evolved from these ferns to grow with lower CO2 levels

Comfort of use and lightness provides stress free and fatigue reducing performance

besides other interesting functions like hysteresis

it will have transformed poor quality earth into rich

Weather resistant

Bluelab pH Pen Lighting > Complete Lighting Kits Modern plants have evolved frompH Pen pH measurement Plants get their nutrients 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 crop. Temperature affects the growth