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Let the seller decide. Regardless if it works or not, knowing you have advised the seller will preserve your right to return. You don't know how long it has been dry nor whether the membrane has been affected

You don't say what the normality of your NaOH is nor the sample size. What is the TA? Has fermentation started? If so there is a good chance carbonic acid is skewing your results. Either way, degassing or boil the sample to drive off the CO2 and retest.

Is phylloxera the only possible diagnosis? Are there other causes for gall on the underside of leaves? ... Not disagreeing, just asking.

You are correct about using Nitrogen (or Argon) as opposed to CO2. They will not carbonate your wine. I cannot answer your fit question as I have seen multiple sized cartridges and do not know what CO2 charger you have. I have a picnic CO2 regulator that works with a corny that I purchased...

If you are pursing 55F with a split unit, consider refrigeration. The installation is similar and refrigeration is made to cool to a lower temp. A correctly sized unit with the fan and compressor running a high percentage of the time will keep the room at temperature and keep the humidity...

Why is amylase added? I know from brewing that it converts starch to sugar. What does it do in skittle wine?

You're on the right track. I started with 114L barrels and now am down to 55L due to convenience and because I age for about 18 months. This allows me to introduce one or two new barrels each year and age part in new, part in 18 mos old and part in 3+ year old barrels. My concern (and yours...

Check out this article also: http://www.brsquared.org/wine/Articles/SO2/SO2.htm

Just searching for a reasonable answer...how are you adding SO2 and is it full strength?

Dugger, You're probably correct that it won't change. It appears Thig pushed this a year ago. No one has a problem offering advice and correcting what they feel is improper technique on the site. Why can't we do the same for nomenclature? Specificity would help with questions and answers...

It is confusing. How about calling it what is: "alcoholic fermentation" and "malolactic fermentation"? Primary and secondary mean container changes to some and alc and mlb to others.

I only think about degassing before bottling. After aging I rarely have need to degas.

Find a friend to punch while you are gone. Pressing early obviates the use of fresh grapes. Not sure what grapes you are using, beginning BRIX, fermentation temp... My preference would be to ferment dry and then press. In the end, You gotta do what you gotta do.

Would you share label information from you lugs (Area, packer, pick dates)? Mine will be here later this week. Not sure how many packers do this for export in Chile. Ours may be from the same source. Knowing what you received is helpful to my plan. From memory, Last year ours were from...

If you want to save money consider Chris Hansen's Vinoflora Oenos and Bactivaid. Solid products for half the price. I did not read the entire post to see if there was some tolerance you need to cover with your choice. If not, this is a reliable product that has been made for quite a while by...

I support Calamity's observation and suggestion to the original post. The poster asked whether he should adjust a 3.5 pH wine with no reason other than to hit some target pH. Calamity suggests adjusting to taste and not to some "target." As was mentioned, winemaking is more art than science...

Another source of information is a book by Bruce Zoecklein called Winery Planning and Design.

Unless you want carbonated wine, don't use CO2. I suggest N or Ar for non carbonated wine.

Do you use the drain on the bottom? Over the years I have purchased 10 VCT's from 150 to 400L's manufactured by varying companies. I move my containers for cleaning and began to appreciate the thicker ones from g w kent. I also like that there are stiffeners at the top and a triclover is...

This is an example of my setup. There is a shutoff connected into the stem from the tube. It is sealed with a screw hose clamp and a pinch clamp offset from each other. When the shutoff has a longer shank, I can use two screw hose clamps). If the bladder deflates, it's either a leak in the...