Re: LED Grow BlackDiamond/Perfect Sun - Autopot - NL x Haze - Haze Auto - NL Auto - L
its usually ec or ppm on a 500 conversion in europe. so 1.0ec is 500ppm. I use bluelab truncheons because they are accurate and reliable.
its usually ec or ppm on a 500 conversion in europe. so 1.0ec is 500ppm. I use bluelab truncheons because they are accurate and reliable.