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Run it all the way if possible, and the cooltube should not condensate with proper flow(cfm). i mean, the light is hot enought and with proper flow i never seen condensation on my cooltube. Maybe you dont have enough flow ?

I ran into the same problem while winter is here. You will need insulated ducting. It will solve your problem!

Nope that's not too far, I run a 6x12" carbon filter on a 170cfm vortex fan and the fan is linked with alu. ducting about 10 ft. away and works just fine. The fan always work better when they pull air instead of pushing it.

yEAH post pics, sounds like a kick 4ss setup

Can i buy some activated carbon to replace in my filter? Will aquarium carbon works?

On my meter, EC 2.8 would be 2000ppm and i do not suggest going that high unless using all organic nutrients. Take a look at this: http://www.420magazine.com/forums/how-grow-marijuana/71813-what-difference-between-ppm-ec.html

No absolutely not! EC mesurement use coversion of .5 or .7, both gives different results in ppm. You should read the manual of your tester because 1.8 is not going to be 1800ppm.

I'd rather doing what mrshark suggested, 2x 1000w on a light rail. Otherwise you want 4 light, not 3. Also the hydro bill will be lower and will produce better or equal harvest with only 2 lights on a mover than 3 lights. Yeah you should consider cooltube as well, but for 2 lights your 6" fan...

Nice setup! Keep up the good work! +rep

I think this fan can work, you don't need a vortex to exaust hot air of a closet. If you can handle the 160cfm then get this one, more air flow is better than not enough. I on my 1st setup used a bathroom fan to exaust hot air and everything was fine!

Well i don't want to disapoint you but even after i bought a 6 stage RO-DI filter i still have to ajust my ph twice a day. it bounce from 5.6 to 6-6.2

Well i am a bit late on this but 50gph is not sufficient, i would suggest you a 300gph to run 3 site with a single res. MaxiJet 1200 are 295gph and pretty cheap.

I have almost the same setup except my tables are 4x4. I don't have lids on the reservoir neither, since they are right under the table they don't get much intense light and i don't get algae growth at all. I run airstone and change water every 2 wks. My only concern about it was to break the...

2x 4x4 flood & drain tables 2x 1000w HPS (w/ cooltubes 10-12" of the top cola) 5.6 - 5.8 (RO-DI 0ppm pure water) +/- 1200PPM Advanced Nutrient (Sensi, B-52, Sweetleaf, BudBlood, BigBud, Carboload, Overdrive, Root Enzyme) 68-70F 75F Day, 55-65F Night. 40% NO

My 1st flower and mother setup were Recirculated DWC and my 2nd setup was flood and drain tables. I have to say i should have continue with DWC, roots grow way faster in DWC or AeroPonic. compared to my ebb tables with hydroton. If you can build a little dwc setup you won't be dissapointed.

Take the time to read and do the math right! :clap: 1 lb is 16 oz, so 42 oz divided by 16 is 2.6 lbs and he said the 42 oz is from 10 indoor plants not from a single one. :hump:

Yes it is possible. 1x 1000w on a 6' light rail with a 4x8 room and 32 3 gal. pots. And if you air cool the light you will be able to take it so close to the plants considering the light mover and you will have some dense and heavy colas.

If your clones are not rooted, do not give nutes or you will kill them like i did someday. 250ppm when they are nicely rooted. Clones take times to recover.

Do NOT cut 80% of the leaves, only cut dead or unhealthy looking leaves. I usually remove the yellowish leaves and lower branches on the plant nothing more.

Neem oil is no good for cleaning, use Alchool 99% to kill anything in the room! Nice plant!