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Discussion Starter · #1 ·
There are very very tiny white worm like creatures varying from .5 to 1mm in length and less than .01mm across (I cannot tell if the body structure is cylindrical or flat) and only slightly opaque so visibility of them through pictures is almost impossible. They seem to be very slow moving and are able to leave the panes of glass and become free-floating. Some are large enough to be seen wriggling in the water itself. Even though they do not seem to be effecting the fish I thought it was appropriate to post in this forum because one can never be to certain or to careful.

Any ideas what they are and could someone suggest a good treatment?
 

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Sounds like either planaria or nematodes, neither of which are the least bit harmful to your fish however thier presense may indicate that you are not keeping up with tank mantenance. Make sure you're not overfeeding your fish and that the tank is not overstocked. Test the water and then try doing daily or every other day partial water changes for the next week and after that make sure to do weekly partial water changes of 30-40% using a good declorinator. Siphon the gravel weekly, too.

Robin
 

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Discussion Starter · #4 ·
Thank you so much. Yes, lately I have been lax with water changes. I've been doing 50% every other week... Normally I would be doing 50/75% every week...
 
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