Author Topic: Calgary Bonsai?  (Read 17937 times)

Jay

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Re: Calgary Bonsai?
« Reply #45 on: November 03, 2017, 07:10 AM »
Well negative 40 is cold and the point where C and F are the same.
What I use is unique to me, I made a grid out of copper pipe, filled it with auto antifreeze and place heat tape on it.
The heat tape keeps the pipe at temps just above freezing. By placing the pot right on (touching) the pipe the heat transfer to the pot and moderates the temps....there are many other methods
J
 

RedJen

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Re: Calgary Bonsai?
« Reply #46 on: November 04, 2017, 02:18 PM »
Jay, thanks for the idea. At first I was confused by what you meant by "heat tape" my first thought was the reflective tape used as a heat barrier, but because that didn't make any sense I quickly dropped that idea and thought that some kind of heating cable made more sense. I did some research and found that Heat Tape is a brand (I also discovered that heat tape is simply a term interchangeable with heating cable) but it doesn't appear to be sold in Canada. There are other heating cable brands I can get my hands on but I'm very inexperienced when it comes to using them outside their intended function. Because of this inexperience I'm hesitant to settle on a specific type, I was thinking the Wrap-On brand would work but the instructions say it has to be wrapped up with fiberglass insulation after it's installed. I'm not sure if that's absolutely essential or more or less a way to keep the heat from escaping into the air. I was also looking at the soil heating cables but the reviews aren't promising.

I did have an idea about using a small seed starting mat and placing that inside of a plastic tray/tub lined with heat tape (the kind that's reflective) so it can bounce back the heat and limit heat loss into the air and hook up the mat to a thermostat so I can regulate the heat to something more moderate, at least above -10C. It dipped to -20 last night without windchill, but as you and others have said, staying freezing is better than freeze, thaw, freeze, thaw. I can only try my best and learn from this.
 

Jay

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Re: Calgary Bonsai?
« Reply #47 on: November 04, 2017, 07:14 PM »
RedJen the idea you have sounds fine. You are not looking to do a Bonsai Sauna. You are just looking to raise the temp of the pot (roots) not the plant. Remember as you said you do not want to go....freeze thaw etc. just raise the temp a,bit to the mid 20f is perfect.