L leecrosby New Member Feb 22, 2006 #1 Idid water change today and rock and glass started getting light brown stuffon them?
J Jennie New Member Feb 22, 2006 #6 A diatom bloom is natural in newer tanks. It sounds like that is what is happening, when you did a water change it might have just been more noticable. How long has your tank been setup?
A diatom bloom is natural in newer tanks. It sounds like that is what is happening, when you did a water change it might have just been more noticable. How long has your tank been setup?