hi there this is my first grow and iam trying to do everyhting proply everthing has been running for a week and a half now but i need some help i have three plants that about 2-3in above ground grow in rockwool cube 1in then 4 in into hydro pot with clay pebbles iam using a 400w mh bulb during veging fresh air in exhaust out humidit aveage 50% temp 25.c nutes canna aqua vega a+b rizotonic e.c 0.8 p.h5.8 desk fan on 24hrs a day airstone in nutes tank kept at 21.c budbox 1.2m -1.2m.2.0m wilma 4 pot how often should i water them as iam am using a top fed dripper system with flood nozzles at present they get four 3mins feeds spaced out during light on is this to much as the pot is still quite heavy sum hours after watering any info would be handy will upload sum pictures ASAP