Purigen - I am running a Tetra Easycrystal Filterbox 600 which came with my tank (unfortunately since it's freaking huge). I wanted to put some Purigen in there, but where do I
Filtr TETRA EasyCrystal Box 250 vnitřní | Super zoo
Tetra Easycrystal Filter Pack x 3 With Carbon 4004218278950 | eBay
Tetra EasyCrystal FilterBox 600: Tetra
Filtr TETRA EasyCrystal Box 600 vnitřní - Akvatera