pellitized dolimite lime is what i use (4Olbs 9bucks at lowes) to stablize my soil mix at 6.6to7. then i use nothing but tap water and cha ching from clone to harvest.


its so easy. 3k 4lbs a month at 6.5k$ each 12Ã?=jack. 4OO veg and 17O clone room. rent 8OO elec 3OO water 25. supplies each month. 8 cu ft of perlite and vermiculite 16 cu ft peat and 4O lbs lime total cost 12O$. no ph tester in house.