A Lot of Aquarists, Both Salt and Freshwater, Can Utilize Ro/di for Their Aquariums! Perhaps You’ve Never Heard of It, or You Feel Embarrassed to Ask Because It Seems Like…What is RO/DI?
Sometimes, It is Difficult, or Often Expensive to Work with Loc-line. Working with Pvc Can Be Both Inexpensive, and Rewarding. Here's a Great Pro Tip for Your Next Sump Return.…DIY: PVC Flared Nozzle