Originally Posted by pdeeh
for interest's sake I got hold of some inexpensive narrow-range pH strips.
These indicate that at the dilution I used, the pH of the metaborate solution was in excess of 12.5
This illustrates the problem when you try to make your own metaborate from borax and lye and don't get the proportions right. It's best to buy it if you can.
A rock pile ceases to be a rock pile the moment a single man contemplates it, bearing within him the image of a cathedral.
~Antoine de Saint-Exupery