It must be connected to a circulation pump, external filter, or aerator.
Χρειάζεται μόνο ένα από τα τρία τελευταία που αναφέρονται.
Και αν ναι συμπεριλαμβάνεται κάποιο από αυτά;
What to watch out for
- I write my questions about the product.
- I avoid questions about the availability, price and course of my order.
- I protect my personal information and do not publish it.
- I do not use obscene or offensive expressions.
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