<blockquote id="quote"><font size="1" face="Century Gothic, Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by nick</i>
... Have another look ... <hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">
Haven't got a clue what this might be, looks like algae or the remains of a sponge ...
Could indeed be caused by mixing different spec fluids.
As suggested suck it out and flush the system thoroughly.
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