Monday 27th is a public holiday and no orders will be despatched that day. You can still order and we will be responding to support emails but orders will be despatched Tuesday 28th January.
Ordering Yeast? Please provide an instruction for courier to specific place they can leave the package to avoid heat/sun but avoid saying "leave in shade" because shaded areas change throughout the day. We may not despatch orders containing yeast on a Friday.
Precipitated chalk (also known as calcium carbonate or acid reducing powder) is used to reduce acidity (raise the pH) in wines (or other brews eg beer) that are too acidic. 60g pack.
Start by dissolving 1/2 teaspoon per 5 litres in a small portion of the must and then mix the treated portion back into the wine.
Retest (or retaste) and add more if necessary.