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Recycled Solar: Double-Glazed Solar Hot Cap Cloche

by gmoke Wed Apr 29th, 2015 at 01:40:57 PM EST

I was cleaning out my storeroom the other day and came across another recycled solar device that I was fooling with a few years ago.  A one liter clear plastic bottle makes a good hot cap or cloche when you cut the bottom off it.  Plant a seedling, pop the bottomless clear cap over it, and you protect  the seedling from the cold.  It probably adds between 5 and 10 degrees F over the outside temperature by protecting the seedling from the wind and by capturing sunlight in a small, closed space.  My twist on this idea was to find different sizes of clear plastic bottles which could nest one inside the other making a double-glazed hot cap cloche.  A double-glazed hot cap cloche might be able to protect the seedlings even better, keeping that small, closed space even warmer than the outside air.

This afternoon, I planted two tomato seedlings in my garden using this device.  We'll see whether it works.


Poll
More recycled solar?
. yes 100%
. no 0%
. not yes 0%
. not no 0%
. neither yes nor no 0%
. both yes and no 0%
. don't understand the question? 0%
. none of the above 0%

Votes: 4
Results | Other Polls
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I'm supposed to be building a little glasshouse (1 metre by 0.4 by 0.5 approximately) for our vegetable planter on our north-facing balcony. Spring will probably be over before I get to it. Then again, perhaps I'll do it this weekend...

It is rightly acknowledged that people of faith have no monopoly of virtue - Queen Elizabeth II
by eurogreen on Thu Apr 30th, 2015 at 07:36:38 AM EST
Fall cabbage, leeks, garlic. Take it from a fellow procrastinator, don't fight your own nature. Just work around it. Eventually.
by melvin on Thu Apr 30th, 2015 at 08:20:05 AM EST
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