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I currently have a 10gal that I want to grow a carpet of hairgrass in. I'm injecting co2 into and need to find a light for it. I have on hand a 100w LED grow light. Is it feasible to use this? I have dimmed it using the built in function and only brought its lux intensity down by about half. Using a lux app, I read about 20k lux at center from 35cm off the ground. I am considering using an external dimmer, and I have a hanging kit for it, but is this just too much? Thanks.

https://www.amazon.com/gp/product/B07TS82HWB/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
 

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I currently have a 10gal that I want to grow a carpet of hairgrass in. I'm injecting co2 into and need to find a light for it. I have on hand a 100w LED grow light. Is it feasible to use this? I have dimmed it using the built in function and only brought its lux intensity down by about half. Using a lux app, I read about 20k lux at center from 35cm off the ground. I am considering using an external dimmer, and I have a hanging kit for it, but is this just too much? Thanks.

https://www.amazon.com/gp/product/B07TS82HWB/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

Estimated PAR at that LUX would be around 300 :eek:
 
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