40+ lbs with 12 Plants in 2 Rooms on a Flip

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Sif1

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Nice, hey I was going to say what was mentioned above and just run a sealed room with proper A/C. It would probably save you a lot of headaches.
Thinking that's the best. What Renbro says goes. Plus add 6 scrubbers could be the way. Have a meeting later this week and will see what it entails to get sorted, Currently have the 3phase being sorted.
 

Airwalker16

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Thinking that's the best. What Renbro says goes. Plus add 6 scrubbers could be the way. Have a meeting later this week and will see what it entails to get sorted, Currently have the 3phase being sorted.
A/C in a SEALED room where you exhaust inky during lights off when plants don't need co2, you'd wanna use mini splits. Not actual AC units.
 

Airwalker16

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But reading back, you won't be using co2, so a Sealed Run is off the table completely. Co2 will be depleted in a matter of minutes and will keep to be replenished with fresh, outside air. So regular AC is going to be needed, NOT minisplits.
You don't need carbon filters necessarily on intakes, but make sure you have some kind of decent filtration on your intake as well.
 

Dividedsky

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Thinking that's the best. What Renbro says goes. Plus add 6 scrubbers could be the way. Have a meeting later this week and will see what it entails to get sorted, Currently have the 3phase being sorted.
I added a 2 ton mini split to my grow room and sealed it(not even close to the size yours is going to be) and it was the best decision I've made. That's the best part is you can just have inline fans and carbon filter blowing air around inside room. Dehus are a must though.
 

Sif1

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I added a 2 ton mini split to my grow room and sealed it(not even close to the size yours is going to be) and it was the best decision I've made. That's the best part is you can just have inline fans and carbon filter blowing air around inside room. Dehus are a must though.
When I was in Australia we were using airconditioners. I don't think we even had fresh air pumping in. Everything grew well even through 40c summers. As Renfro said, couple of 16inch intakes and will add sever carbon filters. Smell has to be controlled. At have the electrician in doing the wiring, all 3 phase. For the strain I'm thinking of mostly Bruce Banner. I have an excellent pheno , even in SOG i have got 3oz from one. plant. which is good imho. Plus not alot of trimming, not so susceptible to mold. For this crop I'm going to make 2* 1000l tanks of nutrients. Would prefer GH, but need to import, so the option's are Canna, House n Garden, Emerald harvest, Perhaps Green Plant, but need to import from Australia. Also, for this one crop I will hand water with wand from the tanks and run to waste. Any suggestion's on Nuts are welcome. Thanks for all the replies also, appreciated.
 

Ebenezer Kong

Active Member
Right now I have my flowering rooms running with AC and CO2, dehu. But I sometimes just turn off the dehu if the air is dry outside and temps are workable, then if the RH% hits 50 the room vents down to 40% and then the CO2 generator kicks back on... So I am using the intake blower as a dehumidifier. Lest nite, this AM the ambient RH% was too high so I disabled the venting and turned the dehumidifier on until the #'s went down this afternoon.
Do you “exhaust” the heat produced by the dehumidifier into a lung room? I guess I’ve never found a clear answer about that aspect of a sealed room. In a truly sealed room I assume that the heat produces by the dehumidifier just gets handled by the mini split? I’m struggling with this as I’m building out my space and deciding where to place everything. Love your thread, I still have so much to catch up on! Thanks for sharing with us all
 

Ebenezer Kong

Active Member
The AC unit picks up any heat loads from dehumidifiers, CO2 generators... Exhausting would cause air to come in to replace it, that would negate the dehumidification if the ambient RH% is higher than your target.
I’m moving out of tents and into a sealed room but building it around an active grow. It’s all been speculation thus far so getting these answers is gold. You definitely saved me from cutting unneeded holes in soon to be built walls. Thank you!
 

Renfro

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I stuck some clones in the tent because I had extras and I was bored. I figured I would see how they do without the RO water running flood and drain. So far so good about a week into flower. I will do my best to run the reservoir without change outs. The only issue I have is the need to add a few mL of pH down to the reservoir each day as the pH rises a few points each dark cycle when the timed float valve tops off the res. No calmag just epsom and GH trio.
 

Thundercat

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I stuck some clones in the tent because I had extras and I was bored. I figured I would see how they do without the RO water running flood and drain. So far so good about a week into flower. I will do my best to run the reservoir without change outs. The only issue I have is the need to add a few mL of pH down to the reservoir each day as the pH rises a few points each dark cycle when the timed float valve tops off the res. No calmag just epsom and GH trio.
I ran my flood and drain on tap water for years no issue, I’m sure you’ll be fine.
 

Dividedsky

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Renfro- got my sensibo. Haha didn't know they were so cheap, wish I got this thing a year ago...was so easy to setup to minisplit, definitely puts me at ease.
 

Dividedsky

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About the only negative thing I have heard about them is that if the internet goes out it gets stuck in the mode the AC was set to when the internet went out.
Ya luckily my internet is pretty good, doesn't go out much, occasionally won't work when I'm on phone but very rare., next thing I need to get is a back up generator since I have a generator side port that can power some of my electrical box circuits, thus powering my grow room if need be.
 

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Renfro

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Just a few pics that I took today. The extra clones I stuck in the tent I had totally forgotten about for a couple weeks lol. They surprised me though and didn't seem at all bothered. PPM had dropped from about 1200 to 800 and they were definitely getting to the point where they needed a bump. They are on day 20 of 12/12. I gave them a light lolipopping, bumped the PPM, and not much else. These have been running on tap water BTW. Float valve auto top off.

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The flowering room pics are room A, it's about 2 - 4 days out from chop on the Mimosa. She's sticky, stinky and dense. A good buddy I sent this clone to said he is really impressed with her terpene profile. She is a special kinda stinky for sure.

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Renfro

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Oh yeah and I have been rotating the AirROS unit in my rooms and really love it. Cranking the RH% and not worrying about mold or mildew. The odor control is top notch and it doesn't harm the terpenes on your flower, the smell returns within a few hours after moving the AirROS to another room. So far I am very impressed with this thing. It's not even running on full blast:

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