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HERE’s the simple way to tell if the glass is tempered. Don’t know what you’re doing, but if it’s for an overflow, go Glass-Holes.

Yes, it’s reef safe. If it’s brand new, just make sure you wash off the mold release agents.

Wow George, you're almost giving this away. Someone needs to jump on this. It's almost worth it just to have the spare pump! GLWS

Edwin, I’d never, ever say you were wasting your time. If it makes you feel warm and fuzzy, keep doing it. :D Now I can’t remember the simplest of derivations in calculus, but I will assure you that it takes many, many feet and a lot of heat to get significant transfer of heat. I...

John, also make sure the container doesn’t block the drain or you’ll be having yet another “DOH!” moment. I stick the handle of a knife under the edge of the container to make sure the excess water has a place to drain.

Put the five gallon container in the sink so when it overflows, it just goes down the drain. I do this in the wash sink in our laundry room. The other option, which I use on my 55 gallon waste water container, is a water alarm. When water hits the sensor, it sets off a loud alarm. I’ve...

150 pounds! Does it come with a jet engine? I hope you've been excercising.....build those muscles up!

It’s been too many years since I’ve done the calculations, but I would surmise that with the flow rate, size of the tubing, and heat transfer rates, that you would need 30 – 50 feet of tubing in that five gallon bucket to see a significant temperature swing. In addition, if you were getting...

. It's a standard 75 gallon tank.....48" x 18" x 21" Here's another 75 gallon sump that was recently finished: