In reply to Post #45
Absolutely, wear a suitable face mask and for home rollers only mix outside. But as far as the fish are concerned it's SiO2 which is in a lot off processed food (E551 i seem to recal) which the same humans probably happily munch on

In reply to Post #46
Did you boil or microwave your pop ups?
Microwaving can take glass sphere free pop ups to another level.

In reply to Post #48
I simmer mine. Never put them in boiling water.

In reply to Post #48
Mine are boiled and then air dried. I'd almost forgotten about the microwave method. I'll maybe have another go with that on my next batch 👍