How To Use Progressive Web App aka PWA On 420 Magazine Forum
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I think I'll try it. I'm wanting one for germination anyway. I'm going to fill a tote/resavoir and check my area for temperature, then I'll try with the heat mat.I use one for heat in my growbox, and it works pretty well, but I'm not sure how well it would heat a tote of water...
You could always do a test run with a tote of water to see if the mat puts out enough heat to keep things warm enough.