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I currently am running two QB 96 elite V2 in a 2x3x6 tent. running them about 120 watts a piece. would like to run them a little less and add in two of each boards below. basically one of each for each light one on the left and the other on the right. please let me know if there is anything that...

currently watering by hand. was using a drill water pump that was working really nice as it had a hose on it and could control where the water goes and the pressure. is there a way to make a similar mechanism to water my plants.

is there any way to drop 350 ppm tap water down to lets say about 100 ppm. i have heard of letting it set out for 24 hours for the chlorine but unsure about the high ppm.

75 F 45% RH 2x3 tent What would be the best way to increase the humidity inside the tent. thinking about buying a digital humidifier and putting it outside the tent then let the intake fan bring in the moist air.

what is currently out there that gives good results and isn't super expensive?

how would i mount/solder a smd led like this one https://www.digikey.com/product-detail/en/lumileds/L135-4080CA35000P1/1416-1931-2-ND/5909369

would i get a higher yield with more smaller plants or two bigger plants in a 2x3 tent.

could 2 200w lights rated for a 3x3 be over kill in a 2x3 and cause more problems. i got one over each plant

i mixed up a concoction of nutrients and i usually get readings of 900+ ppm but this only got 250 ppm. does that mean my nutrients went bad. did have a couple days of over 95 in the room

has the quantum boards surpassed the cob in efficiency, light penetration, and heat output? it seems that quantum boards are more efficient lumend/w

Cant seem to find one that says it's a par meter. some read lux and foot candles but not par. please help

looking for a water pump that i can put a water line into my one gallon jug and then pump the water out of a water line to the plants. would make it easier instead of using a smaller bottle to get the water to the plants. cant use a submersible pump as it wont fit down into the one gallon jug.

looking to upgrade my light in my 2x3 tent was looking at stringing together 6 cobs evenly spaced apart. would like to have my lights be efficient.

currently using a 6 inch duct fan for exhaust and a 4 inch duct fan for intake. i am exhausting outside of the room but still my tent temperatures reach upwards of 83 degrees. i have never had any luck growing cause of heat issues. wondering if its the duct fans not being strong enough or what...

http://www.amazon.com/ARCTIC-Alpine-11-Plus-Cooler/dp/tech-data/B00606OHQQ/ref=de_a_smtd I would also like to have the ability if its possible to be able to power more fans with the same power source if possible. it says .22A 2.8 - 12.0V I chose this heat sink for a single Cree CXA3070 5000K...

I've hot a 4 and 6 inch inline duct fan. 4 inch be bringing air the 6 inch be exhaust. Would y'all change anything to make it better.

im going to be growing in 3 gallon smart pots. was wondering what else i should add to my soil to amend it to be better.

im going to be growing in 3 gallon smart pots. was wondering what else i should add to my soil to amend it to be better.

i need to know where i can buy an led driver to power my 1w leds running at 350ma - 300ma with a total output of atleast 120dcv

i just all the leds and the driver which runs at 320ma the leds are rated for 350ma. i went and bought resistors but not sure how much i need. the voltage from the driver is 136 volts. the volts are suppose to run at 3.2 volts. the resistors are rated for 1/2 watt. this website should help...