• Chemsan 250ml – main product photo
  • Chemsan 250ml key facts: makes 125 litres of solution, use 2ml per litre (10ml in 5L), no rinse needed
1 2

Chemsan

More from Chemsan

ChemSan No-Rinse Sanitiser 250ml

ChemSan No-Rinse Sanitiser 250ml

£10.99
£10.99
Sale Sold out
Taxes included. Shipping calculated at checkout.
View full details

ChemSan 250ml is a handy mid-size bottle of no-rinse sanitiser that makes 125 litres of solution - plenty for a season of kit brewing or several wine and cider batches.

Key features

  • Phosphoric acid-based, self-foaming sanitiser from Chemisphere
  • No rinse needed at 2ml per litre - just drain, and leftover foam is harmless
  • Kills bacteria and wild yeast in at least 2 minutes of contact
  • Use by spray, wipe or soak on fermenters, bottles, syphons and kegs

Specs

  • Size: 250ml concentrate
  • Dilution: 2ml per litre (10ml in 5 litres)
  • Makes: 125 litres of solution

How to use: dilute, apply for at least 2 minutes and drain - no rinse. Full steps are in the How to Use box below.

Corrosive concentrate: wear gloves and eye protection, never mix with chlorine cleaners, and don't use on soft metals.

Who it's for

Home brewers who brew every few weeks and want a bottle that fits on the shelf. Clean with Chemclean first, then sanitise. For larger volumes see the full ChemSan size range.

ChemSan
How to Use
Dose
10ml per 5L
2ml per litre (0.2%)
Contact
2+ minutes
no rinse
Bottle makes
125 litres

Used for: No-rinse, self-foaming acid sanitiser - kills bacteria and wild yeast on clean equipment.

When: Just before use, on equipment that's already been cleaned and rinsed.

Step by step
1Dilute 10ml per 5 litres of water (0.2%, 2ml per litre).
2Wet every surface - spray, wipe or soak.
3Leave at least 2 minutes, keeping surfaces wet.
4Drain well. Don't rinse - a little foam is fine.
Good to know: Corrosive - wear gloves and eye protection. Never mix with chlorine cleaners (chlorine gas). Not for soft metals. Stronger than 0.2% needs a rinse. Keep a made-up solution at pH 3 or below (check with pH papers).
You may also need: ChemClean cleaner
Frequently Asked Questions
Do I need to rinse ChemSan?

No - it's a no-rinse sanitiser at 2ml per litre. Drain well; any foam left is harmless.

How much ChemSan per litre?

2ml per litre - 10ml in 5 litres. Stronger than that needs a rinse.

How long does it take to work?

Keep surfaces wet for at least 2 minutes.

Is ChemSan the same as Star San?

It's the UK-made equivalent - the same type of phosphoric acid, self-foaming, no-rinse sanitiser.

Can I use it on everything?

Most homebrew equipment, yes - but not soft metals, and never mix it with chlorine cleaners.