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100W for 4 SF is less than you should have for flower, im guessing those cobs are older so id shoot for 40W/SF with those

raise the light and turn it up

not at all. it doesnt limit,it transforms AC into DC at a different voltage.

potentiometers arent used in the cob circuit, just as a control to send a resistance signal to a drivers dimming leads (which "A" drivers dont have)

just get a DPDT relay to throw power to the array of your choice

whats the spectrum look like on that?

really youre just looking for a "100K linear taper" as your spec

i dont know how they are drilled, surprised thats something they couldnt advise on.. 35mm spacing is the most common spacing for cob holders. if you have 2 holes 35mm apart with no holes in between them thats all you need

food for thought. apart from down time, and the time to solder, 5 holders is cheaper than that one cob that burned up

yup. connect these.

looks like you had some stress and strain on that wire or may have stressed it when soldering easy peasy. cut the wire on the other side of the cob close to the cob, strip it, and wire nut it to the wire you have that broke off the chip. no soldering required

most smaller drivers (185, 240) dim to 10% larger ones like 480 and 600 dim to zero cant remember 320s,

thats more of a rule of thumb because 30W of a high efficiency light source like LEDs run soft can have literally twice the PPF of a fluorescent tube of the same wattage

yes, corrected. but its the same to the driver.

youre both right capped leads are fine if you dont need to dim 101kohms, 110 kohm, infinite ohms, all the same. were just trying to get it above 100 airwalker, what canna is trying to say is pots have a tolerance. a 100k 10% can be anywhere in the 90-110K range. if you get one thats 100-110K...

breaking the circuit manually or with a switch to create infinite resistance is the same thing really

i ship discreetly, HLG might as well

i think the overall health of your plants takes precedence over metabolism. you can still raise healthy plants at lower temps with some tweaking, but mold puts your whole crop in the garbage winter is a bitch with LEDs sometimes ive actually run a small dehuey *inside* my tent to keep the temp...

make sure to spray the whole thing down good with a 10% bleach solution and maybe even fog it if you can find a safe place to set it up like your garage

potentially in parallel you might see voltage +/- a few percent on either side. Which by itself is a bad idea since your design already esceeds max current and if one strip drops out (doesnt need to be bad diodes, loose wiring is enough), there is nothing from preventing your other strip from...