I always wondered about this too, and in the end I realized the plant will end up telling you... whupps... haha.
Twentyinches Reviewed by Twentyinches on . How often to water i not sure of the amount to water my plants a 400 watt HPS over 1sq meter of plants i bin told that 250ml a day while veg and 500ml a day when flowering cananyone confirm this or put me right cheers Rating: 5