Hi guys where do i start,well i really need some help .l am growing in attic i have 1 gorilla grow tent set 4x4 7 feet tall i got smscom twin fan controler pro 600 hps mh cool tube 4 pod flood and drain 15 litre buckets 3 min flood and about the same rvk 4 in fan 6 in wolf something or other 2 speed and vent axia 2 speed 100 mm .now having real bad prob with keepin huimidity and keep tem up am i ok with taking the ducting off both end of my tube to let more heat buid up got little ceramic heater and one of those heater bars but just cant keep tem up .i am using rockwool and clay pepples how oftern should i flood it? .and also my water i use has ph 7.2 ang cf of 8 ,9 ppm 800 900 now do i take from there to my amount i wont or do i have to go over my amount by that 8,9?sorry for all the questions but really wont to succeed at this and would be really gratefull if some one could help me sort this as its burning my fucking brain out thanks guys