Explanation please

[CHEAPREEF]

Muriatic Acid will also drive your ALK down in a big hurry, that is how I adjust my WC water if I am doing anything bigger than 10%. Takes very little to drop ALK and PH by a few points, be very careful with it if you do use it for anythign SW related.

[strezman]

Tank is only 30 gallons. I didn't know it was only mature bubbles that release spores?? That's interesting. And mature ones become soft? I'm leaning lots here! Thanks!