hi guys on my 3rd grow now.was hopeing somebody can advise.every time after i have repot my ph goes through the floor,is there any way to stop this from happening.ive used the hydro soil and all diffrent soils but still the same thing,i heard dolamite lime does the trick,is this true, or do i just have to flush them coz i dont know any other way.i thank you and my b/f blue cheese thanks u as...