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Moisture 21%
like all conductivity meters
during disease recovery
Increase the wave length by switching the knob in clockwise
Developed to suit the direct feeding mechanisms of large polyp stony corals
Dalua Harmonic Bio Bricks 500ml Flipper Moisture 21%Dalua Harmonic Bio Media 500g Packed with literally thousands of square metres of perfect habitat to house your good bacteria. Includes: 500g of Biological media Literally, the most important part of any aquarium is the biological filtration. The DALUA Fresh Harmonic Bio Bricks are absolute biological filtration factories. Packed with literally thousands of square metres of perfect habitat to house your good bacteria.