SUM HELP NEEDED

[High grade stoner]

how much do i need to water my plants how much vito link pro should i use how close should my 250w hps light be over my plants it is 1ft obove tips my plants are 2 weeks old
CAN i use those fibre glass little blocks for growing please help

[slipnslide087]

water your plants once the medium is dry. dont keep the soil wet. i 250w is fine, 12-15 inches over it is fine.