get ur hands on a blue lab stick/truchion its water proof and pre-set for u .

its not that cheap like £65/$110 man but itll last for years man :thumbsup:




peace and love
geeman
F1SEEDS Reviewed by F1SEEDS on . PPM meter? Hey all, Great info on this forum and some amazing grows! I have a question about a PPM meter. Currently and on my last grow I had some problems with yellowing leaves, Im assuming its either nute burn, cal mag def problems. I am looking to get a PPM meter and dont know which route to go. Any suggestions on which work the best for the money? I cant spend too much I just bought a 600W Galaxy. Rating: 5