My Mystery Indica Reveg

You can lower humidity too....without a dehumidifier....find out what your dew point is and cool the tent down. It forces the moisture out by shrinking the o2 molecules or some shit lol then you wipe the moisture off the surfaces turn the heat back up and like magic the moisture that was in the o2 will have greatly diminished.

Some scientific stuff for us all. Lmao. Dont ask me where I heard it. Just some science show that I caught on tv one of my late night stoner sessions.


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Thanks Canno. The difference between the tent interior temperature and the room in which it's situated is quite high and I've noticed the moisture has already been condensing on the interior tent surfaces. I hadn't considered wiping that off but that is a great idea, cheers!
 
I spent many years in a hot and very humid climate and a very simple method for lowering humidity occurred to me, but I never tried it out, however, this situation would be perfect.

My idea? Simply fill a 5 litre/gallon plastic bottle with water and freeze solid. Place this inside a container and place in the tent. The water will condense on the plastic bottle and then run down to be collected in the container. Remove these at lights out and simply replace with a fresh one for the dark period and replace them when the lights come on again. A very simple, costless and effective dehumidifier and perfect for a grow tent. I'm definitely going to do this and thanks for jogging my memory Canno.
 
Greengostarr, your girl looks about ready to explode in bud, nice one.

You've given me something to think about too. Thought I'd be able to get away without oscillating fan in my grow space for the same reasons as you. Didn't think about helping with hummidity. Looks like I'll be going fan shopping in the new year.

Like the frozen water bottle idea too. Going to keep that in mind. Should work fine for a small space
 
Piña Delores said:
Greengostarr, your girl looks about ready to explode in bud, nice one.

You've given me something to think about too. Thought I'd be able to get away without oscillating fan in my grow space for the same reasons as you. Didn't think about helping with hummidity. Looks like I'll be going fan shopping in the new year.

Like the frozen water bottle idea too. Going to keep that in mind. Should work fine for a small space
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Cheers Piña, I'm really looking forward to the flowering as this has been a long grow and I'm happy in the knowledge that the buds will be a darn sight bigger than those few pathetic ones she had when I found her. :)

I popped a couple of bottles in the freezer today and will add one tomorrow.
 
greengostarr said:
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The little clones can be seen poking their heads up from the pot and I have to admit I am surprised how well they are doing considering my total lack of care and attention to the best practices for cloning.
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Looking absolutely beautiful :bravo:
 
I never thought of the frozen jug before, humidity in my apt is running 25-30% and in the tent its running 42% right now So im gonna let that ride for now.
 
Definitely into the last stretch now with pistils starting to pop up all over the place. Very curious what the flowering time will be and what her genetic lineage is.
 
pennywise said:
I never thought of the frozen jug before, humidity in my apt is running 25-30% and in the tent its running 42% right now So im gonna let that ride for now.
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I have no way to measure Rh so have absolutely no clue what is in the tent. All I know is that it hits me like a wall when I go in now thanks to the slightly higher temps - I'm gonna have to check what that is later. The outside temps here are back below freezing and with the skylight ajar and no additional heating in the room it is staying fairly cool outside the tent.

I've popped a frozen 5 litre bottle in with her and I'm curious to see how much water it removes from the air.
 
Will do. I slipped it in there once it got dark around 4.30 and I'll measure how much moisture was removed from the air when she wakes up at 10.30. Obviously, this will increase during lights on and I'll post results of that as well.

Also, the greater the size of your frozen bottle, the greater the condensation surface area, etc, etc.
 
So, in 6 hours of darkness, the 5 litre bottled pulled about 43 mls (1.513 fl oz) of water from the air in a 4" X 4" X 7" cool space. Now let's see what it can pull over a 12 hour period in a warm space. I would expect to triple that figure at least.

We have to remember that, in a closed system, an increase in temperature will lead to a lower Rh as warmer air can hold more moisture and Rh is a function of the capacity of the air to hold moisture. Our indoor gardens, however, are not closed systems as we can expect an increase in moisture through things like plant transpiration (they 'breathe' out water the same way as we do), and evaporation from our reservoirs and medium surfaces. So, for us, as the temperatures rise, we can also expect to see our Rh rise as well over time.
 
Wow, this arctic weather has sure made a difference to the temps in the tent. When I opened the door, the temp was immediately noticeably cooler. Using a laser thermometer, I measured the canopy temp at 26.5 C (79 F), but at the top of the pot it read 13.6 C (56.5 F).

On average, the room housing the tent is about 15 C (59 F) but the skylight which is almost above the tent is very frosty indeed.

Although I'm going to stick with the ice bottle in the tent to dehumidify, I suspect the amount it draws from the air when it is warmer will be higher.
 
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