heater The last two items, I bought just in case, still haven’t used them, since my thermistor and heater work well, for now.[amazon box=”B073RDFTDV,B078MX2FYK,B07BRKZGMS,B01G1JWKQK,B073TVBJVY,B073TVBJVY” template=”table”] What I learned from my failures Make sure thermisto...