Hmmm?
An incubator so low tech it's embarassing you say? I'm yer muppet.
It is simply an aquarium with polystyrene siliconed arround it for insulation and a shelf support siliconed inside about half way up.
The bottom third contains water with an aquarium heater and a small waterpump (and I only added that this year as an experiment ) which provides both the heat and humidity for the eggs in open topped boxes. I put meash lids on them just before they hatch to prevent unplanned swimming lessons by the hatchlings.
The water also provides the thermal ballast to quickly restore the heat after the lid has been opened.
It's worked for me for years but, if I had to build a new one, I would probably recommend a good thermostat and a heat pad instead and sealed egg boxes with bottles of water providing the thermal balast.
I'm holding out for a glass fronted fridge but the locals are being unco-operative about discarding any.
dr del
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