3 Apr 2011, 10:49am
fixing things:
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  • temperature controlled heat mat success

    The heat mat I fixed three days ago has delivered 😉 We’ve had lettuce seeds in a cold frame from two weeks to no joy so far, whereas a new batch with heat @ 20°C looks like a win in three days.

    lettuce seedlings germinated in three days @ 20C

    Now I just need to get a control on the Sankey propagator which uses four times as much power for an area about one-sixth of the size. For all that power it does raise the temperature to over 30°C which is unnecessary, and possibly slightly detrimental.

     
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