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Dactylium
Don't touch me I'm sterile


Registered: 08/12/16
Posts: 696
Last seen: 10 months, 13 days
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I've noticed considerable evaporation around the edges of the lid when I do my tubs. Maybe the weight of the tub on top creates more of a seal between the lid and tub and inhibits some FAE that way as well.
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Pastywhyte
Say hello to my little friend



Registered: 09/15/12
Posts: 37,810
Loc: Canada
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Re: Stacking monotubs [Re: Dactylium]
#24017245 - 01/17/17 12:15 PM (7 years, 13 days ago) |
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Quote:
Dactylium said: I've noticed considerable evaporation around the edges of the lid when I do my tubs. Maybe the weight of the tub on top creates more of a seal between the lid and tub and inhibits some FAE that way as well.
This is a real factor and I dial my top tubs different from the bottom ones accordingly.
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natedawgnow
Rocky mountain hood rat



Registered: 02/09/15
Posts: 8,939
Loc: ation
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How many tubs are you stacking?
I notice less evaporation at the rim but never enough to really make a noticeable difference in the pinset on the bottom tub vs. the top tub.
But then again, the most I stack my tubs is 3 high so I don't know the effects more tubs have
One thing I have done to help with the seal and also to help with light distribution is stack my tubs staggered so they look like a plus sign when looking down from above (+) This really helps light hit all the tubs in the stack and also eases up pressure on all parts of the lid allowing a little more exchange through the crack.
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Dactylium
Don't touch me I'm sterile


Registered: 08/12/16
Posts: 696
Last seen: 10 months, 13 days
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It probably varies between tubs. Some are sturdier than others or their lids fit tighter.
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Mush 4 Brains
about tree fiddy


Registered: 12/19/07
Posts: 8,298
Loc: Tacos
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Re: Stacking monotubs [Re: Dactylium]
#24017522 - 01/17/17 02:10 PM (7 years, 13 days ago) |
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I really dislike stacking tubs, I avoid it if at all possible.
In my grow room I have a ceiling fan I use and the tubs at the top tend to dry out faster and the bottom tubs get less air flow and less light.
But if you have a large grow it's unavoidable. I have 17 tubs going right now and none of them are stacked. It allows me to view things easier for one.
I think people treat hole placement/size like rocket science when really its very simple. Almost any hole configuration will work if you dial it in right.
A lot of tubs I have i made years ago and they're not in the typical style you see here (You know the 4 holes on each side, 2 bottom/sub level, 2 on top) Most of my tubs have 6 holes all at sub level, 2 on each length side of the tub and one on each shorter side.
When I see pins I've gotten into the habit of wedging polyfil on to the lids so the tub is cracked open works nicely. Just mist every other day and it's golden
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ComebackKid
Multispore Enthusiast



Registered: 05/27/16
Posts: 3,951
Loc: ked in the trunk of a car
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Holy shit, InsaneMike is a real beast eh? I hate to say it but most of that article is going way over my head.
The case of the stacked tubs will remain a mystery to me and will just have to be solved the primitive way I guess lots of trial and error
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Substrate surface conditions / Monotub prep and care
Look around you... Everything you see exists inside the mind. Consciousness, the awareness that is experiencing this mind, is peering in from outside the universe. Our individual experiences are all part of the universe's experience of itself
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mushboy
modboy



Registered: 04/24/05
Posts: 32,281
Loc: where?
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look on the bright side!
you will collect a shitload of data to help future growers who will use a PMP instead.
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natedawgnow
Rocky mountain hood rat



Registered: 02/09/15
Posts: 8,939
Loc: ation
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ComebackKid
Multispore Enthusiast



Registered: 05/27/16
Posts: 3,951
Loc: ked in the trunk of a car
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Re: Stacking monotubs [Re: mushboy]
#24017819 - 01/17/17 04:07 PM (7 years, 13 days ago) |
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At least with a PMP I'd be able to tell you how air is getting into my chamber 
I actually read that article when I was looking into starting bulk. I was damn near set on making square holes but, being a neat freak, a hole saw was just too tempting  Mushboys SAB would drive me insane. And not in a good way like mike
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Substrate surface conditions / Monotub prep and care
Look around you... Everything you see exists inside the mind. Consciousness, the awareness that is experiencing this mind, is peering in from outside the universe. Our individual experiences are all part of the universe's experience of itself
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mushboy
modboy



Registered: 04/24/05
Posts: 32,281
Loc: where?
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damn that thread is waay complicated for just holes in plastic.
square holes? i can barely do circle ones.
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natedawgnow
Rocky mountain hood rat



Registered: 02/09/15
Posts: 8,939
Loc: ation
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Re: Stacking monotubs [Re: mushboy]
#24017858 - 01/17/17 04:28 PM (7 years, 13 days ago) |
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Ya he says later in the post that square holes are too difficult and that it's better to do oval or just use a hole saw.
I just thought it was relevant
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