750 XXL hard plumbing adapter

[Tim2@Triton Verified Sponsor]

The gentlemen at Ultra Gem Corals in Burbank, CA showed me conversion couplings. 32mm OD pipe section glues into the drain line and the conversion coupling steps the drains up to 1"

 

[ajaj137]

Its been close to a year since I built my RSR 525 but here is a list of items I bought to change over to hard plumbing. Hope this is of some value to you. https://www.pvcfittingsonline.com/

I know this has been a long time and I have come across this thread because I and trying to separate my return line in my sump. Currently my UV light cycles water through a second pump and goes back into the sump. However I want to connect the second pump to the one of the return lines.