Re: green house irrigation water heaters?
When I propagate hardwood cuttings I will use propagation under mist. Our humidity here is relatively low and so the mist sprayers come on frequently. If the water temperature is significantly lower than the target temperature of the rooting media, my heating cables will come on more often than desired. Hence, I would like to have the water source for my mist sprayers warmed to the propagation temperature -- about 73 F.
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