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Cannada

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Excellent stuff! ๐Ÿ‘ That's a whole lot of light (62.5w/sqft) ๐Ÿ’ก๐Ÿ˜Ž What brand is the digital ballast? does it make much noise or pretty much silent? how hot does it get (the ballast)?
Its a powersun digital ballast. No noise to speak of except the cooling fan which is pretty quiet. It doesnt get any warmer than my cable modem. Not hot at all.
 

Cannada

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Yes, I had to dim it in mid to late summer to keep temps close to 25C. Also added a cooltube mid summer to help with the heat. Had the odd day creep up to 28 but usually between 22 and 25 lights on. I still have a 400W HPS magnetic ballast. I use it if a plant needs a bit more veg before going in the tent. It doesnt get too hot though but definitely much warmer than the digital ballast and yes it hums a bit.
 
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Cannada

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Base nutes are DNF Bloom A&B. Used DNF grow A&B throughout veg. Vegged about 4 weeks then flipped to 13/11 and been running that schedule ever since.
Started using monster bloom at 21 days then every 10 days or so. Introduced DNF Gold to regular feeding last week and a shot of Cal Mag here and there when I noticed some leaves with brown spots.
 
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