Ron Reefman
Lets Go Snorkeling!
Reef Squad
Excellence Award
Reef Tank 365
Article Contributor
Tampa Bay Reef Keepers
MAC of SW Florida
Do Poly Filters have an expiration date? Should they?
I have some that are still in their original packaging... but they have to be at least 6 to 8 years old?
How about a way to test one and see if it still works?
BTW, I'm inclined to just use them as filters and not worry about if they still indicate metals.
I have some that are still in their original packaging... but they have to be at least 6 to 8 years old?
How about a way to test one and see if it still works?
BTW, I'm inclined to just use them as filters and not worry about if they still indicate metals.
