Hi. You have SF1000D with dimmer ? Didnt know that "D" have dimmer. If it is new SF1000 with concentrated leds in corners, you can save electricity costs with much lower distances and less power adjustment. Ideal for 2 plants in pots up to 3gal, or 4 pots up to 2gal. Simply glow directly above plants with leds concentrated in corners, with half distance and half-quarter power ;) Less power means less heat... It works upto 3.-4. week, then plants canopy is bigger than light angle (and pot area too :D )
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