Recent content by Stan Cox

  1. S

    Raising pH of coffee/tea safely and permanently?

    Yes, very interesting. Apparently, I should shoot for slightly alkaline to account for the CO2 in the air - if I want it to last hundreds of years! :)
  2. S

    Raising pH of coffee/tea safely and permanently?

    Yes. I had forgotten about the factors you mentioned regarding the aquariums. I did learn another helpful trick regarding coffee; apparently, cold brewed coffee is significantly less acidic than the more common hot brewed. According to one source, hot water releases the acid within the bean...
  3. S

    Raising pH of coffee/tea safely and permanently?

    All very good to know! And the even better news is: No smoking The room in which I display my ships is pretty free of direct sunlight (only in the evening hours). I live in a place where the prevailing winds blow toward the nearest city - 35 miles away!
  4. S

    Raising pH of coffee/tea safely and permanently?

    Couple of very interesting notes. Awesome responses! I had not even entertained the notion that the hue may change with the pH. Perhaps the pH shouldn't be a consideration after all. I'm getting more convinced that the comments regarding long-term degradation may be more a product of...
  5. S

    Raising pH of coffee/tea safely and permanently?

    Hi! I don't know much about chemistry but was hoping that some of you guys could help me with a quick question. I build wooden model ships of sail as a hobby. One "trick" for giving sails and rope an aged look is to dip them in coffee or tea and let the tannin dye the materials. The problem...
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