I sometimes add too much water when doing the final mixing on a new 10k batch of glaze and realize I need to thicken the glaze after I test fire.
I have always let the batch sit for a few days and then use a small cup to pull off the clean water from the surface. This water is almost always very clear. I remove usually more than I need to and then re-mix, adding back a little until I hit the consistency I need. Is this OK?
I was recently asked if this removed some of the glaze material and my response was yeah it does take out some trace amounts that didn't settle but as long as the water being removed is pretty clear it is not enough to matter to a 4 gallon batch of glaze. I only do this the first time I mix and don't do this repeatedly to a batch of glaze over time.
Is this a correct statement?
Should I be using a flocculent if I added to much water and just need to remove some? I am adding specific gravity reading to each of my glazes for when I remake a batch but this occurs the very first time I am making the batch and I don't yet have an established specific gravity reading.