KerryO Posted March 6, 2003 Report Share Posted March 6, 2003 In the aquarium I am setting up, I have built a cave to house the heater. In the back of the cave is my outlet for the filter, so water will be continuously flowing over the heater. The entrance to the cave is low and down at the gravel level and spread over a distance of about 300mm to stop fish being sucked in. It probably wouldn't matter if a fish did get into the cave as the outlet pipe has a grid on the end anyway. I keep reading articles saying not to place the heater on the gravel, and don't really understand why. Does anyone think this would apply in my situation? Thanks, Kerry. Quote Link to comment Share on other sites More sharing options...
Pegasus Posted March 6, 2003 Report Share Posted March 6, 2003 Laying the heater on the gravel will create a "hot spot" and will shorten the life of your heater, plus the gravel sometimes gets baked onto the glass causing the glass to turn black. The heater should have free circulation all around it for the best heat distribution. Quote Link to comment Share on other sites More sharing options...
Warren Posted March 12, 2003 Report Share Posted March 12, 2003 If you can attach a couple of rings to the heater (one at each end) so it is held up from the gravel by a few mm even, you should be able to do what you propose. Quote Link to comment Share on other sites More sharing options...
KerryO Posted March 12, 2003 Author Report Share Posted March 12, 2003 Thanks, I built a cradle out of galv wire (old coathanger) the heater is now suspended in the cave. Quote Link to comment Share on other sites More sharing options...
peety Posted March 12, 2003 Report Share Posted March 12, 2003 No 8 wire new zealanders.... you can fence sheep in with it too!!! lol Quote Link to comment Share on other sites More sharing options...
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