thanx 4 the info SCIENTIXT , a couple of other thing s , on my ppm metre it has 2 ppm read out s ec and cf , i checked it in my book it said 2 use ec ? also how often do u check the ppm level s ? thanx:thumbsup:
...gas... Reviewed by ...gas... on . ppm level s 1 thing im confused with is ppm level s , my m8 a the shop said between 300 , 4 seedling , and 1500 , 2, 1800 , 4 flowering around week 5 , but i read in a book 2 all way s keep it between 800 ,2, 1200 , im lost .............:thumbsup: Rating: 5