White spots on tank

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kate1234

Aquarium Advice Newbie
Joined
Jan 21, 2020
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1
Hey! This is my first time posting here, so I hope I'm doing everything correctly!

About 2 weeks ago, I added platies to a new tank. Everything was going great so I decided to add one more yesterday and I didn't quarantine. All was well yesterday, and now today there are these white streaks (shaped kind of like shooting stars) that are appearing all over the walls inside the tank. I attached pictures of some obvious ones, but they are appearing all over. They wipe off just fine. The tank is still cycling, but I don't think that would cause this.

One of the original fish did have a white stringy poop - not sure if that would have anything to do with this. Could that be related? The fish seem healthy otherwise - they ate well yesterday and are all playful today.

Anyone experience something similar or know what this could be?
 

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Hello kate...

How clean are you keeping your tank? The chances of a healthy fish in pure water conditions being infected by a pathogen or virus or anything else like this is very remote. So, even if you didn't quarantine this new fish, a healthy fish isn't at risk.

If your tank gets lots of large, regular water changes, then you have nothing to worry about. If, you're inconsistent with your tank care, then your fish may pick up something from a fish from the local pet store.

I'll give you a tip on tank keeping. Change half the tank water a couple of times a week if your tank is less than 30 gallons. If it's 30 gallons or larger, change half the tank water weekly. No excuses. Do this and you'll have no tank problems.

This white material is likely a form of fungus. Fungus isn't a problem for a healthy, well kept tank. Ramshorn snails and most livebearing fish will remove it.

B
 
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