Par numbers

Hey all anybody watch Green magic gardening on youtube he uses really low par settings like 400 in flower of autos. Does anybody use low par numbers? What numbers are u hitting at what stage?

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Hi @marley420

Welcome to GN. Yes i have watched that channel, great information and growing styles.

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So i have this lil lady 10 days into flowering but not stretching much. Wondering if im giving it way too much light by watching the show? What par would u be giving her im at 700 par?

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And i have installed ppfd app on a iphone and a android the iphone says my ppfd is 5000 which cant be right but my android seams to be right by par chart from manufacturer.

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Most of the time you have to put a piece of white #20 paper over the lens to get the par right with iPhone. They usually give you guidelines for each phone brand. I wouldn’t worry about the stretch, you are still early on.

Marty

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