flush is the process of only using fresh water to water your plants. no nutes. they say to flush 21 days to harvest, or right when the first pistil turns. hope i could help
foggylondontown Reviewed by foggylondontown on . How to flush? This may sound like a stupid question but i'll give a go anyways! what is method of doing a 'flush' :confused: on your plants i've seen this term mentioned so many times on the forums and i was just curious on how you do this and also when is the best times to do this like a week before starting flowering and like a week before harvest? Thanks for the replies! Rating: 5