overflow sump

I am starting a 100g. So far I only have live rock and live sand for six months now. I have a 12 g with duncan frags, carpet anemone, 2 clownfish and just got a yellowtail damsel I want to transfer to the 100g. However I have a very old and noisy overflow sump. I can't find anyone to drill...

I have an empty 100 gallon saltwater tank that has been running with an overflow sump for about 6 months now. I also have a 12G saltwater. I only have a carpet anemone and a couple of duncan coral frags. I am wanting to transfer them from the 12G to the 100 gallon. Also, I am considering getting...