Neptune DOS DDR Tubing - 4 Meter Pufferfish Remove the original gasket and

Remove the original gasket and clean the gasket channel and mating surfaces without damaging them

Shake the bottle well before each use

High-quality colour-changing mixed-bed DI resin

This may be desirable when space is at a premium

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

Neptune DOS DDR Tubing - 4 Meter Pufferfish Remove the original gasket andNeptune 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