The temperature sensor on one of my Hydro Heater/Pump comb 300 (there are two in the tank) on my 20 gallon failed. I didn't notice it until about 12 hours later. I know that it was around 12 hours as the temperature was at 79 the night before and it was at 90 sometime the following morning. What prompted me to look was because the LTA and green ricordia mushroom looked strange. I immeidately removed both heaters and let the water temperature dropped gradually to around 80. Two days later, this is what happen to my leather:
Everything else including the zoas, fishes, crabs, acro, etc. survived.
Everything else including the zoas, fishes, crabs, acro, etc. survived.
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