#ed_op#DIV#ed_cl#Its light brown on the glass, and the sand its black sheets of it witch ive picked most of it out with my hands. ive been doing 20% water changes once a week with ro/di h20 , its really killed it for the most part and stoped the growth of it. it was getting so ridiculus i could watch the algea on the glass grow.#ed_op#/DIV#ed_cl#