2 questioner

[LSAMMONS5821]

How do you know when it is time to change your membrane, and second my yellow tang looks like he has blood in his eye has anyone ran into this?

Thanks,
Logan Sammons

 

[NICERICAN4YOU25]

I CHANGE IT EVERY 600-1000GAL OF WATER I MAKE, FOR ME IS EVERY 3-4 MONTHS. HAVENT HAD A PROB LIKE THA WTH MY TANGS.

HOPE IT HELPS

CARLOS