Low temp flowering experiment?

Star Dog

Star Dog

Well-Known Member
I've grown in the UK all year round without heaters, the temps weren't as extreme as yours but the crops were well respectable, I'm far from an expert but the above mention of grandma's tales I think is very true.
I never weighed the crop so I can't say exactly what the difference was summer V winter but I was never ever disappointed in the yeilds, I'd need to check the tubs volume but I reckon 12/15ltr of trimmed bud.
I've spoken to a couple of others about this, I've found I've had more hassle using a heater than I ever did without one, that could be strain related I was growing through the year using the same mother?
Fwiw I used to swap 9oz which I'd estimate around half the amount.
1x600hps + light rail.

As a suggestion... Run two tents alternating then you can use the heat from one to the other, being so cold humidity shouldn't be a problem.
 
Mrs. Weedstein

Mrs. Weedstein

Well-Known Member
TurboTokes said:
As mentionned, growth and bud develeopement are severely slowed when the root zone goes below 50*, an electric fan heater works but can use 750-1500 watts on its own, an oil heater pays for itself many times over if you go this route, they retain heat so well, I cant stomach the electric bill so I dont go this route.

As a canadian grower I also am forced to grow in my unheated garage in winter by the wife, temps get below freezing even inside the garage, -20 C outside. What I do is use electric heat pads under the pots, I have them turn on when the lights turn off. I find a 20 watt pad will keep a 3 gallon pot plenty happy, the root zone will stay in the 60's.they sell them as rv water tank heater pads, or aquarium heater mats, all in various sizes and wattage ratings

Or they sell larger electric heated pet bed mat, electric battery blankets wraps if you wanted to place multiple plants on one large pad. Plenty of options to suit your grows needs. I really like the reptile terranium pads myself, only 10-20 watts per pad and only $5-$10 each and they have high qaulity water rated connections

On a side note Ive tried growing without any heating supplement in our 50 degree cold cellar, and my yield dropped literally 75%, plants just dont bulk or even grow when the roots are so cold
Click to expand...
This seems doable without much extra expense since I already got something like this!
 
TurboTokes

TurboTokes

Well-Known Member
The tent still has to breathe and exhaust, an insulated shell is a waste of time.

The terranium mats really do work a treat, the canopy does not give a shit as long as its above freezing, its the rootball that slows the show down when cold
 
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