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I did go big 355mm. But I couldn't test it yet. But I was recommended to do so by a professional. The bigger you go the lower speed you can run the fan or the more air you can move. But keep in mind the charcoal filters seem huge then :-D Unfortunately I was not able to test the equipment yet...

:-D It is a private industrial building. Water is not drilled yet. Road is not frequented that much. I will be able to do it so nobody sees that I am carrying water into it. I just need to time it right. I was just gathering some additional ideas. ;-)

I plan to do it in the night or in the evening. I will park my car near my entrance of the house and then load the two canisters (8 gallon/ 30 liter) into the car. Then I will drive to the other building and drive close to it and unload the stuff, but listen to if there are some cars around...

Hey guys, I need to carry water to my place unless I redrill the well. To manage this I bought two 30 liter water canisters. Now, how can I lift these canisters into and out of my car without somebody noticing that I carry liquids or water? I was thinking to put one canister into a bag? But...

so the question is, is light fertilizer solution or tap water better for the seedlings? I need to investigate that... :-D But probably I will just use some tap water.

Thanks man! Ok. Actually I am using water with a RO system. So would that matter somehow?

Before get started I need to know some last things. My first grow I will start from seedlings (lack of mother plants/clones). I will do rockwool. (first in heated humidity dome then transfer into ebb and flow tables) I need to know if I should water the seedling rockwool cubes with some...

Two other questions: - Do you put a lid on your reservoir? What can I put as a lid on my big and my smaller (mother plants, or return pump reservoir) reservoirs? I would guess nice flat surfaces are good. Maybe some sort of plastic so I can easily drill holes through it, so I can put all the...

Ok I will figure that out later or when I need it. So far all people didn't recommend me to go the mini split route.... Need to think what I will do... You said before you are not sure if your english is not good enough. I am curious are you based in europe?

Oh yeah, in the manual it says that you can install some extra ducting. I am based in europe, so it seems I can't get these devices. I was looking a bit for comparable units here in europe, but couldn't find anything. But it seems like energy efficiency wise considering cooling these portable...

it is not permanent. I want to be able to move it or better clean it. I guess I will put it on some kind of the foam stuff and then wrap it in rockwool. I think polystyrene is the cheapest... But if I put my reservoir on polystyrene, do you think the polystyrene will break? How about that...

So you think polyurethane would not give way to the imprint of the reservoir?

Will it hold the weight of 130 Gallons? It looks like some sort of foam? Are there other options? Seems what you proposed is polyurethane. Somehow it seems it is not thaaat much around here. I am just curious, there might be something which is more cost effective and more available. I don't...

Concerning my calculations for cooling, I was using some tutorial from another forum. I guess with 30000 to 32000 btu cooling I would be able to handle everything. Maybe at some time I will change the refelctors that I have for air cooled ones in the summer.But so far here are my calculations...

Actually the clearance requirements arent that high. (See picture for example of a unit). Also I think the clearance is needed so the airflow doesn't get restricted or the unit handles stale air. But when I install an inline fan which blows directly air into the unit and another which pulls air...

What can I put under my 130 gallon reservoir so it doesn't loose heat too fast? Actually there are antivibration mats for washing machines. Are they good? What insulates good and is strong enough for a reservoir that size? Other question: What can I use for insulating around my reservoir...

Probably I will not have that space. I could place a wind baffle so the inline fans would not blow directly into the compressor (if that could be a source of problem). The inline fans would have a rating of around 1950cfm running at full speed with ideal static pressure situation. If I use two...

Thing is that I have only one big room available. In this room I did built my flower and motherplants room. These two rooms share a common wall and ducting with a 2000cfm fan will recirculate the air between those rooms. So in this big room with my two grow rooms I still now need to incorporate...

Can you give me a link to a good portable unit? Are they able to heat also? How is the efficiency/COP rating of these kind of units? Actually the building is some sort of industrial building and there was some kind of AC solution still inside. It has two air chimeys. They serve only for...

ok. stuff got a bit more complicated, as proprietary owner doesn't want me to install an outdoor unit. So I was thinking about doing a work around. Maybe some pro is reading here too? Ok here is what I was thinking: I know the idea of putting an outdoor condenser unit inside sounds unsound but...