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• It is designed for better shape & size • It is mechanically & Biologically, effective filter material • Enormous porous surface area is the ideal culture medium for micro-organisms, therefore, it produces out-standing filtration results * Strongly recommended to use with Ocean Free “A-Z Super Beneficial Bacteria, Bio-Zyme, Activated Carbon, Bio-Foam, Super Zeolite Crystal, Bio-filter pad, FilterWool, Bio-plate or Bio-Ball” for Best results.

OF CERAMIC RING 100G

S$2.00Price
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