Somebody mentioned lacewings.
I have an unlimited supply of lacewing eggs on a seedless purple plum tree aside from winter. No bugs this year other than gnats in my grow but if leaf miners or anything else show up and the eggs are available to me I'm gonna try to deploy as many eggs as I can. This pic just taken. It's cool to watch them after they hatch as they eat the stalk. First time I ever saw one I thought it was the egg of a bad bug and hosed down the tree and poured some spinosad into the soil, till I learned better here on RIU that it was a lacewing egg.
Good reading on the last few pages.
I agree with ANC. Growers did not have the same knowledge of Organics or hydroponics back in the 70's like today IMO. They did not have hps to my knowledge. At least not in my 1975 grow book that wrote about high output Gro Lux flouresent bulbs.
I agree with whitebb2727 also.
How many millions of dollars are poored in to the marketing of hydroponic weed and marketing new strains and the best weed "EVER"?
How many $'s are poured into marketing organic weed?
Oh! This thread is about flushing, sorry.
Should I flush? I'm two weeks from harvest.
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