The Planted Tank Forum - View Single Post - Substrate Heater
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Old 11-17-2003, 04:12 PM   #3
Are these real?
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I bought a 300W cable heater at M3 for $60. I connected it to a regular $5 light dimmer, which lets me control the heat output in a continuous fashion. Also, I have it on a timer, so it kicks in only at night, when the lights don't heat the water. I didn't use it much yet, but Winter is coming.
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