fishforme Posted October 16, 2010 Report Share Posted October 16, 2010 I have an Aqua Clear heater, rated for a 10 gallon but I have been using it in my 20 gallon and it works great, keeps temperature and I have had no problems. Just a bit confused at it says that it is submersible but then it has minimum and maximum water lines on it and says not to go over the max. mark. Well, while fumbling to find the light switch the other day I accidently pushed the heater into the water, past the max. line and halfway up the plastic protecting the "brains" of the heater. It did not short out or nothing of the sort. I unplugged it and left it for a day, there was no condensation in the tube or any other signs of damage so I plugged it back in and it works perfect. Why does it say completley submersible if it can not go all the way under water? I see pictures of people with thier heaters in the water close to the bottom of the tank and the cord running up and out of the tank, no problems. Quote Link to comment Share on other sites More sharing options...
nautilus Posted October 16, 2010 Report Share Posted October 16, 2010 Did it say "fully submersible" or "submersible" ? Difference is that fully sub is exactly that- the entire unit can go under water. Submersible is that portion of the unit is submersible- between the lower and upper lines. Hope this helps Quote Link to comment Share on other sites More sharing options...
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