Every time I speak to House and garden it seems they save me money. They said that since their nutrients will not create the salt buildup the other nutrients do that I do not need to empty my reservoir and refill it once a week he said I am wasting precious nutrients I should instead change it every say 3 to 4 weeks or at the appropriate growth stages (end of: veg, stretch, mid flower) since at these times I am changing the supplements!!!!! Woohoo @housegarden.
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