The humic acid in EJ catalyst should help stablize the ph.
Sparrow Reviewed by Sparrow on . brown tips, light burn? Ok, new grow, browning leaf tips, is the light too close? Just the clones are doing this, they do have roots already. mS is under .90 (my water has a base mS of about .25). It is the old growth that is yellowing, and for the time being the new leaves seem to be coming in fine, but time will tell. Rating: 5