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Old 07-02-2018, 03:28 AM
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G.Alexander G.Alexander ثeu
Join Date: Jan 2005
Posts: 35,365

Really sorry to hear this John, to make sure those are really Dinoflagellate you need to put them under a microscope.

I have posted a short video to how they look like, just klick on the picture in the first post:

They often start to grow if there are harmful substances in the system like softeners released from plastics / hoses etc. Have you changed anything in the last couple of weeks ?

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