ppm question

[drum22]

hi this is goona sound abit silly but i was just wondering wot the ppm is for am new 2 this and i dont really under stand my plants are lookin healthy and am 3weeks into flowering hers sum piccies of them aswell sorry the pics are not that clear had 2 take them on my fone

[grey1223]

PPM depends on the brand of fertilizer. One may have max. of 1000ppm and another may be 2000ppm. Your fert probably is somewhere in between.