tinygiants
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<a href=showthread.php?s=&postid=7219372#post7219372 target=_blank>Originally posted</a> by yourfishman
thanks Johnathan,
i was wondering 2 things 1 was how you made the cut, but now i see the flange at the bottom of the cup (good call). and the other is the angle, it looks about 30 degrees or so, is that right?
Dale
you seem to have a good handle on the temp effects. do you think the skimmer effects are minimal with a low temp tank also? 50 degree water 70 room temp comprable size as Johnathan'sset up.
Comparable size? 1000 G tank with many many hundreds GPH through the skimmer?
Honestly, the air temp from compression and expansion is a negated thermal load. (The amount of energy to compress the air is the same amount given off during expansion - conservation of mass and energy) The thermal load from using warm air and that induced by the heat of the air pump would add to the water. That addition would be proportional to the amount of air added and the amount of water diffusing it.
Dale