Tetra StayClean Bio-Bag Cartridge Large 8pk {L+b}679089

Tetra Stayclean Bio-bag Cartridges Provide Easier Maintenance For Healthier Fish By Maintaining Healthy Ph Levels In Your Tank. Compatible With Bio-bag Filters, These Cartridges Provide 4 Stages Of Filtration To Keep Your Water Clean And Clear. Ultra-acti