Furan 2 Discoloration

Goldiemom

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I just changed water this evening after using it. I actually did 2 back to back changes and it was gone. The carbon will take it out too but you need to do a water change
 

Crafty Cichlid

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Follow the directions on the package exactly. Furan 2 is often used for resistant bacteria. If you don't use as directed, you'll weaken, but not kill the bacteria, and can cause more dangerous strains. The directions, if I recall correctly, also tell you how long the yellow will last.

To answer more basically though, yup, water changes and carbon remove the yellow. :emoji_sparkles:
 
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