Hobby EC Pen Size:Grow Gadgets EC Pen heavier harvest

heavier harvest

Type: flowering booster / bloom stimulator (4-in-1)

soil and hydro: 1-2ml per litre of nutrient solution

2m footprint for a standard grow tent

Stop fungus gnat larvae before they eat young roots

Hobby EC Pen Size:Grow Gadgets EC Pen heavier harvestKnow exactly how strong your feed is before it hits the roots The Grow Gadgets Hobby EC Pen is a straightforward handheld meter that reads the electrical conductivity (EC) of your nutrient reservoir, giving you a fast, honest check on how concentrated your feed actually is. It's the entry level way to stop feeding by eye, dropping the probe into the tank or run off and reading the strength in seconds so you can catch a mix that's crept too hot or too