Quote:
Originally Posted by mossman604
i am a total newby, there is a sludge type film on the top of water, any one know what it is and how to get rid of it. is it bad
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You can use a glass or cup to slowly skim off the 'sludge'.
Remember is you do this often you have to check your salinity as you are removing saltwater and adding water alone will reduce your salinity.