This is my DIY PVC Overflow and DIY Overflow Box. I used this on my 65 gallon Hexagon Saltwater Aquarium. | Diy aquarium, Saltwater aquarium, Aquaponics supplies
Diy overflow for my refugium - DIY Forum - Singapore Reef Club - marine reef fish keeping setup aquarium tank
Make your own overflow box.. - Equipment Forum - Nano-Reef Community