DO NOT BUY! I've had this in my tank for about 3 weeks and it was set at 74ยฐ, it ran around 76ยฐ which is normal for heaters that fluctuate as the heater tries to control the temperature. This morning the thing was at 120 and still going up! I put it in a bucket and it boiled water! I lost all my supplies! Don't waste your money and save your fish! I have 300W but I wouldn't buy any of those!
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