Tropical Fish Keeping - Aquarium fish care and resources

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tharrin930 02-07-2013 10:58 PM

White smudges on glass in tank
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Hi all. Over the past few days I've noticed white streaks/ smudges appearing on the glass inside my tank. I've googled it to death but so far no answers. I checked the water parameters last night and everyhting seems to be in balance. The fish look good and are acting healthy with no apparent marks.
I bought the 125 gal. tank on CL about 4 weeks ago. The previous owner had it set up as a reef tank. It was it pretty bad shape when I got it but scraped all the algae, salt and muck out. To destroy any diseases and aid in cleaning the algae I fiilled it and added 2 gallons of white vinegar and let it soak for 2 days. Flushed it out thouroughly a few times as well as soaked it with freshwater for a few days after.
I completed the set-up about 3 weeks ago, added 3 silver dollars I bought two weeks before and a pair of Clown Loaches last week. I will buy more SD's but didn't want to add too many too soon.
Just a thought... Any chance it could be the fish bumping the glass as they zoom across the tank with the circulation from the power head??
The white spots definitely arent worms or Ick. Any Ideas?????
Thanks for your input.

SeaHorse 02-08-2013 08:27 AM

Hi tharrin930. Is it possible you missed those spots? Have you tried taking a pot scrubber to it? NO metal, the plastic/fiber ones!
Can you feel the marks? Could the previous owner have scraped or scratched the tank I wonder?

tharrin930 02-08-2013 09:51 AM

I thought I scrubbed it down thoroughly but it's possible I missed some (salty??) spots. I haven't touched it to see what it was or tried to clean it yet but I'll check it out tonight.
I think you're onto something. It may be residual salt spots and the streaking comes from the power head.
Thanks Jakie!


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