Chris-x1 wrote:Titrating is simply incrementally adding (in this case acid to your water) until the desired dose (in this case a ph of 4) is discovered.
You can get acid test kits from homebrew shops which may do the job (i've never used them myself), alternatively a ph meter could be used.
Often you'd experiment with a small sample first by adding a coloured reagent which changes colour when a certain ph is achieved to determin the amount of acid required in the main batch.
If you are using an acid that comes in a granular form (such as citric) you may want to make a solution up in advance, just remember the ratio of acid to water you used to make the solution so you can repeat it.
Alternatively it may just be refering to adding acid to your wine until the ph falls to 4, again it would be best to do a trial with a small sample and scale up for the main batch. You can probably use ph strips for this although it it would be a bit rough and ready and may require quite a few strips although with care you can cut them down their length twice to get 3 uses out of one strip.
I'd get onto your local homebrew shop and see what they have in stock.
Hi Chris
Yeah it says in the recepie to check the acid content and correct with tartaric acid to 4 p.p.t or assess flavour wise before adding tannin, nutriient and yeast.
