Have you ever seen such a thing?

[GoldfishLover123]

Recently I had noticed my fish tank seemed yellow. The more I looked at it I realized there were actually only a couple spots that looked yellow. I investigated further and found these weird sacs on my tank lid. Anyone ever see this before our could tell me what it is?

 

[Rivercats]

Those are snail eggs. If they are laid out of the water on the tank lid you must have mystery snails.

 

[GoldfishLover123]

Snail eggs... I don't think so. I don't even have snails. When I cleaned it off there wasn't anything in them.

 

[Josh2424]

If that was on ur clear lens it's algae, usually it grows there when water from the tank slashes into to the light lens

 

[GoldfishLover123]

Weirdest case of algae I've ever seen but defiantly more probable than eggs of any sort. Thank you!

 

[Fishperson]

I've had that too. I think it's algae growing on bubbles and water droplets on your tank lid. Just wipe it off. I don't know why it makes your tank yellow though. The yellowness could be tannins from driftwood. How long has it been since you wiped that glass off?

 

[GoldfishLover123]

No driftwood in my tank. My theory is that it only looked yellow because of the gunk on the top. Cleaned it up now it's not yellow. In fact I didn't realize how dirty it was until after I cleaned it. Huge difference!