Bluelab One Pen Plagron It also helps with pest

It also helps with pest control and reduces mould and rot risk

this is a proven way to do it

Add 1ml of Multi Zyme per litre of nutrient solution

More affordable than Gavita or Sun System equivalents

and it genuinely delivers higher PAR output than you'd expect from the wattage

Bluelab One Pen Plagron It also helps with pestBluelab One Pen Complete Feeding, No Guesswork Our thoughts 3 in 1 functionality: Measures conductivity in EC, CF, PPM 500 (TDS) or PPM 700. Simple, reliable feeding that delivers results. The Bluelab One Pen is an all in one portable meter designed to measure pH, conductivity (EC), and temperature, making it an essential tool for growers looking to monitor their plant's environment.