Neptune DOS DDR Tubing - 4 Meter Pufferfish High-quality colour-changing mixed-bed DI resin

High-quality colour-changing mixed-bed DI resin

For Hydra 32HD and 64HD fixtures

or they may be extremely aggressive to each other

The 300 gram size gives reef keepers more working material for larger aquascaping jobs

Neptune DOS DDR Tubing - 4 Meter Pufferfish High-quality colour-changing mixed-bed DI resinNeptune DOS DDR Tubing 4 Meter Neptune DOS DDR Tubing 4 Meter is replacement flexible tubing for Neptune DOS and DDR dosing setups, sized to match standard Neptune DOS tubing specifications. 4 Meter DOS and DDR Tubing This tubing is useful for replacing worn dosing lines, extending an existing DOS installation, or setting up clean runs between a Neptune DOS, DDR reservoir, additive container, and aquarium sump. Tubing Details Flexible tubing for