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These are BX1F1. Plan was to do 5 out of 10 and hope for 2 to 3 females, and have some seeds for another grow. Now out of 3... I'm hoping for 1 to 2.

Not too impressed so far with the gorilla bubble. 5/5 germinated in paper towels, only 3/5 popped above ground. 100 % success on the other 15 seeds I started. Not only that but the GB seedlings are way behind, and seem to be tiny little mutants. Probably some user error obviously. Lower left is...

It's on max power.. 26w. It's one section on the driver that's 120F+, with most of it still above 100F.

More playing around. Have one of these lighting some seedlings. Forgive the crap cable management. 4 power levels using supplied driver..measured with a killawatt: 26w 24w 19w 17w Also... measured back of supplied driver temps... 120F in the center of the driver... Hot! Not sure it's a...

I grabbed some stuff from ebay...

Got most of my holes drilled for mounting. Thinking I was going to need screws to hold down strips in case tape failed, but the tape seems rock solid. I used small button 1/4-20 screws with sliced in half rubber grommet to apply some pressure. But probably not needed with the tape.. also would...

grab one of those lux meter apps... numbers are helpful in a relative sense... useful tool to determine hot spots. Helped me figure out that my cob led fixture was way too close to the canopy, too bad I measured at the end of flower.

That looks like the '600w' Meizhi 277w actual. rough numbers... but the Amazon page says 16500 lumens for that light.. that's about 5 tci strips. Plus if you look at the intensity diagram just like higgs says. .. the max 1121umol is right at the center. .. and by the time you're 1 foot away...

Yeah

Playing around with layout out a bit.

Don't see any screws... what's holding the strips on? Thermal tape?

I think these will do nicely.

looks nice and tidy... UPS coming today hopefully. Ill post pics if anyone is interested.

Just started my 2nd basement grow... comments, abuse, and advice welcomed. Strains: Started 20 seeds... Gorilla Bubble BX1F1 Brother's Grimm C99 Resin Cannatonic TGA Hurkle High Amperage Expert Gorilla Cookies. Anticipating 50% loss due to males... Footprint: ~3'x~6.5' Lights: 25-30 TCI...

sounds solid, is this for flower or veg?

Good stuff. . Post up those pics! My heatsinks are due to arrive on friday, will start the build then.

Ended up ordering thirty lengths of 18"x2.079" from heatsinksusa... Cost was $172 + 30 shipping. The 1/2"x2"x72" channel is $20 each. 8 lengths @ $20... $160 total. Seemed worth it toss in the extra $40 for the prospect of more effective cooling.

You and me both... confused... Looks like he's got every thing he needs.

Yeah, then I'm about at the same price as the stuff from heatsinksusa. Got to get off my behind, seeds in papertowels and ready for solo cups tomorrow.

. . Aluminum? These lights are 41mm/1.65" wide, so I'd need 1.75 or 2 wide stock.