Im using 2part sensi grow/bloom and big bud

i looked it up on there nutrients calculator and they had the nutrients changing every week do i need to totally flush all the water out of the resovoir and replace it with all new nutes and water

or can i just add more to the current solution
and
flush the water every 2weeks instead of everyweek how does this work?
i just introduced 1/4 strength nutes
drewski Reviewed by drewski on . Nutes question Im using 2part sensi grow/bloom and big bud i looked it up on there nutrients calculator and they had the nutrients changing every week do i need to totally flush all the water out of the resovoir and replace it with all new nutes and water or can i just add more to the current solution and flush the water every 2weeks instead of everyweek how does this work? i just introduced 1/4 strength nutes Rating: 5