Neptunian-M-Pro 120 Sump System
Special features include:
- The world’s thinnest weir box
- Stealth piping – invisible via the rear and through the base of the aquarium
- Rimless OPTIWHITE aquarium with high-polished finish built with WACKER SILICONE
- Stylish red FLOW piping and gate valve, all pre-cut for easy installation
- Full hybrid glass/acrylic sump with adjustable chamber heights
- Multi-chamber sump with dedicated skimmer, reactor, and refugium sections
Includes:
- Pre-filter sock chamber
- Filter socks
- Dosing pump tube holders
- Testing probe holders
- Top-up chamber
- Auto top-up float
| Specification | Detail |
|---|---|
| Material | Hybrid glass/acrylic |
| Chamber Types | Skimmer, reactor, refugium |
| Construction | Rimless OPTIWHITE with WACKER SILICONE |
| Piping | Red FLOW piping with pre-cut gate valve |
| Top-Up System | Includes chamber and auto float |
FAQ
Can the chamber heights be adjusted?
Yes, the chamber heights are adjustable for customized setup.
Is the piping visible when installed?
The piping is designed to be invisible via the rear and through the base of the aquarium.
What materials are used in the sump construction?
The sump is built with hybrid glass and acrylic, with a rimless OPTIWHITE finish and WACKER SILICONE sealing.


Julia Duncan –
The installation was straightforward thanks to the pre-cut piping and clear chamber layout. The sump fits perfectly in my 120-gallon tank and looks sleek. The auto top-up works reliably and the red FLOW piping adds a nice touch. I appreciate the hybrid material which is both durable and easy to clean.
Brandon Tucker –
I liked the compact design and the stealth piping. It blends well with my tank setup. The multi-chamber system allows me to manage skimming and refugium separately. Only minor adjustment was needed for the chamber height, but it was simple to fix.
Jan Reid –
The quality feels premium. The WACKER SILICONE seal is strong and the glass/acrylic blend resists scratches. The pre-filter chamber and probe holders are very useful. I’ve had no leaks after three months of use.