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Thread: Lets Talk Mulm
01-08-2013, 10:18 AM #11
WC is every Saturday morning. I'll see if I can get some pics of it tonight.
01-08-2013, 10:49 AM #12
What you describe does not sound like mulm but rather like blue-green 'algae' or really called cyanobacteria; this is easy to remove but forms a semi-ridge sheet. Mulm is VERY loose and easy to move around by the slightest current.
Also, mulm is a sign that your upkeep is very, very poor if it exists in any significant quantity - mulm is just semi-solid fish feces, breaking down plant matter, and worst of all, rotting food. A very bad item to have collecting in any quantity in a tank and rarely spread all over on the substrate unless you just don't vacuum at all and really over feed, which I do not think you are doing.
If the stuff doesn't move by gentile current flow, but sticks to the substrate and even glass, forms sheets then I'd say its blue-green 'algae' and your phosphates and/or nitrates are high. Just saying as a possibility.