Neptune DOS DDR Tubing - 4 Meter Pufferfish Shake the bottle well before

Shake the bottle well before each use

High-quality colour-changing mixed-bed DI resin

or they may be extremely aggressive to each other

Serviceable internal components: Replaceable wear parts allow the pump to be maintained instead of discarded after normal diaphragm wear

Neptune DOS DDR Tubing - 4 Meter Pufferfish Shake the bottle well beforeNeptune 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