Average rating from 14 reviews.
Average rating from 10 reviews.
Average rating from 7 reviews.
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Penguin Replacement Cart A
Reader's Reviews (2)
posted 7 years ago
Take the old cartridge out put the new one in and your ready to go. It's easy to use! Only have to replace every few months depending on your tank stocking and tank size!
Pros: Easy to use!
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