The Dosing Line (6mm OD / 4mm ID) is a flexible, food-grade silicone tube designed for aquarium dosing, aeration, and fluid transfer applications. Soft and easy to route, this tubing is ideal for use with dosing pumps, air pumps, and rigid dosing tubes.

Sold by the foot, this dosing line allows you to purchase exactly the length you need for clean, efficient setups without excess tubing.

Common Uses

• Dosing systems: Transfers liquid additives from containers to dosing pumps and aquariums.
• Air pump lines: Used for aeration in aquariums and phytoplankton culture vessels.
• Rigid tube connections: Acts as a flexible connection between rigid pickup tubes and pumps.

Features

• Soft, flexible silicone construction
• Food-grade and aquarium-safe
• Resists kinking and collapsing
• Easy to cut and route cleanly
• Compatible with standard dosing and air pump fittings

Specifications

• Product: Dosing Line
• Size: 6mm OD / 4mm ID
• Material: Silicone
• Available Colors: Blue, Green, Pink, Orange
• High-concerned Chemical: None
• Sold As: By 5 feet (quantity equals total length)