Hello im using to gh water farm kits and im using 1/2 strenth gh gro micro bloom and my ph will rise very fast from 5.5 to 6.6 over a corse of a few hrs they are about 7 to 8 ins i have been setting my ph at 5.0 hoping that it will stay below 6.0 so i can set it the next day. I have a ph tester called eco tester ph 1 didn't know if anyone has used this or now pros or cons about it they are also under a 400w mh for the time being also i have had some defs going on should i go full strenth or should i add anything u can think of or should i go LUCAS thank u, ghuser