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Tap water runs through the big blue filters at the top left, than to the Ro unit in the center left, and keeps a 65 gal res full with a float valve to the left. Than the green pump pulls ro water from the res and is pressurized to 45 psi. That than run though 3 injecters that pull stock...

using lucas 8-16 mb. clones 1 week old getting alot of brown and yellowing of the leafs. water temps are 70 F air temp 80 F, Ph stable at 5.8 ppm's are 1050. should i try adding some epson salt? how much?:confused:

OKay so i got one of those sun sun 1/4 hp chillers of ebay i got everything installed like the 520 gph pump it says to have, and set it to 20 C but the compressor only runs for 20 seconds than shuts off and never gets below 30.6 C. so my res is staying around 31 C or 87 F. i hope i can get...

i took cuttings monday and have been looking good untill today now the leaves are starting to curl down wards and the tips are turning light green i had them under a 250 MH 5 foot above them so im thinking that was the problem so i turned it off. im cloning in water with the water temps 67-70...

how big a air pump would i need for 150 gallon res chilled 60F right now i have a 35 watt 60L per min pump.

i decided to build a tray for a sog DWC grow. the tray will hold 72 plants in 2" net cups floating on foam board under 4 600 watt cool tubesmore updates to come.

what are some good portable ac?s

does the Lucas formula 0-8-16 work okay for ak-47? or is there something better? i have 24 ak cuttings that are about to root and will go into a DWC system soon.

does anyone grow sealed using no co2? how often do you vent? i ask that because here the outside temps reach into the 100's and so if i vented to often the temps wont stay down. i plan on using a split unit ac where the condenser sits outside and the heat exchanger is in the room. here is a...

i have been contemplating building a sealed room with c02 and DWC hydro. And i want to use a waterfall effect to add oxygen back to the res, but if im constantly keeping co2 levels at 1500 ppm will there be enough oxygen in the sealed room to oxygenate the water? if I use air pumps i will...

Okay i have ak-47, mix is 33 coco 33 peat moss 33 soil, i have been feeding at half strength BMO's flower power and plant tonic and nothing else. with a 6.5 ph i water every 2 - 3 days. the plants flowering look pail green to light yellow and that big fan leaf is from a mother plant i have in...

Okay i have ak-47, mix is 33 coco 33 peat moss 33 soil, i have been feeding at half strength BMO's grow it green and plant tonic and nothing else. with a 6.5 ph i water every 2 - 3 days. the plants flowering look pail green to light yellow and that big fan leaf is from a mother plant i...

anyone using earth juice? how much are you mixing with each gallon of water like in oz's. and are there any notices of nute defs?

i have this fungi growing on the top of my soil it does not seem to be hurting my plants but i was reading that fungi can attract g-nats i tried to remove it but it just keeps coming back. what should i do?

i have 4 600 hps lights in cool tubes venting outside. i need to know about how much cooling in btus i will need for this summer .

how tall should i veg to get 1 oz per plant? i was only able to take 33 cuttings. i have 4 600 hps lights

i have 4 600 watt lights in 6" cool tubes what is the best way to connect the ducting between them? i dont want the exhaust fan sucking in odor from the room.

my grow mix 33 %coco, 33 soil, and 33 peat moss, ph is around 5.5, plants are 4 weeks old

the white trays that are 7 inches deep x 4 feet wide and 8 feet long filled with clayballs?

does anyone grow with coco using organics? i would like to keep reusing the coco but i have to keep throwing it out after 2 grows becuase of salt buildup.