Cleaning & pH Testing

Siphon & Tubing

An auto-siphon and food-grade tubing to move kombucha without splashing or disturbing the culture.

Siphon & Tubing — original illustration

Original illustration — a generic example of this tool, not a specific product.

Specifications

Category
Cleaning & pH Testing
Type
Auto-siphon, or a simple racking cane with tubing
Tubing
Food-grade silicone or clear vinyl, 5/16 or 3/8 in inner diameter
Length
3–5 ft is enough for most setups
Cleaning
Rinse immediately; run cleaner through, then sanitiser
Storage
Hang to drain; do not coil damp tubing
Replace
When tubing becomes stiff, cloudy or scratched inside
Typical batch size
Any size

Siphon & Tubing

An auto-siphon and food-grade tubing to move kombucha without splashing or disturbing the culture.

A siphon moves liquid from one vessel to another without you having to lift or tip a full jar. For kombucha it does two useful things: it draws from below the surface so you leave the pellicle and sediment behind, and it fills from the bottom of the receiving vessel, which limits the oxygen that gets stirred into the brew at bottling time.

transfer minimal oxygen cleaning
Best for
Bottling, Second Fermentation, Cleaning & Testing
Batch size
Any size

Applicable brewing stages

  • First Fermentation
  • Second Fermentation
  • Flavoring
  • Bottling
  • Cleaning & Testing

A highlighted stage means this tool has a direct role at that point in the process. Ticking several stages is normal — a thermometer, for example, is useful during both the first and second fermentation.

Safety notes

Tubing is the part of a brewing kit that most often gets neglected and most often harbours microbes, because you cannot see the inside of it. Rinse it immediately after every use, run cleaner through it, then sanitiser, and hang it to drain rather than coiling it damp. Replace tubing regularly. Never use garden hose, drinking straws or any non-food-grade tubing, since these can leach plasticisers into an acidic brew, and never start a siphon with your mouth.

Practical guidance

  • Siphon from just below the surface and stop before you reach the sediment.
  • Keep the outflow under the surface of the receiving vessel to limit oxygen pickup.
  • A zip tie or clip holds the cane at the right depth so you can work with both hands.
  • Cut tubing into two lengths so one can dry while the other is in use.

Please read before you brew

This page is educational reference material, not professional brewing, food-safety or medical advice. Equipment handling, hygiene practice and local rules vary, and nothing here guarantees a particular brewing result.

  • Home brewing rules differ by country, state, province and municipality, and they change over time. Check your own local requirements — including any permit, licence, volume limit or minimum age — before you brew, bottle or share what you make.
  • Use food-grade equipment only. Vessels, bottles, tubing and utensils that were not made for food or drink may release unwanted compounds or shelter microbes.
  • Work in a well-ventilated space, keep hot liquids away from children and pets, and follow the manufacturer's instructions for every appliance you use.
  • Bottles under pressure can fail. Use bottles designed for carbonated drinks, do not over-prime, and refrigerate once the carbonation is right.
  • For anything involving gas pressure, electricity, high heat, chemical cleaners or acids, consult a qualified professional.

Finished kombucha contains trace alcohol and caffeine. It is not suitable for children, and anyone who is pregnant, breastfeeding, immunocompromised, diabetic or taking medication should speak to a healthcare professional before drinking it. Kombucha is a food, not a medicine, and it does not treat, cure or prevent any disease.

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