Giorgos Lazaridis writes:
I just got a 100 Watts submersible aquarium heater from ebay! No, i don't have a fish aquarium in my house, nor any other living creature larger than bacteria or other microorganisms. The reason that i bid on this item is because i will use it for my homemade PCB etch bath!
Removing the built-in thermostat of an aquarium heater - [Link]
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