To Parent Forum November 6, 2020 at 11:57 am #2592 Dave BurtKeymaster Please post your Merlot chemistry numbers under this topic. Include any planned adjustments. December 16, 2020 at 2:28 pm #2701 Robin McNeilParticipant I thought I had posted here when the grapes came in at the beginning of November. My original numbers were Brix 24, TA 5.0 and pH 3.47. I added 80g tartaric (to 150#) and today (Dec 16) the pH is 3.35 and the TA 6.8 You must be logged in to reply to this topic.