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For aquariums up to approx
This should be determined based upon your desired alkalinity (KH)
Magnetisation
pH Alert® is also almost half the size of competing products (1
Ocean Wonders Frag Disk Large 100pcs plant additives Wait a few minutesOceans Wonders Large Coral Frag Disks are perfect for the propagation or fragging of hard and soft branching corals such as Acropora, Birdsnest, Montipora, Kenya Trees, Xenia, ect. They are 1 1 2 in diameter and 5 16 thick. They are made from a fused special grade bright white reef sand. This sand is a natural calcium based sand which has been shown to speed the spread of coralline algae growth and corals on the disks.
US$ 339.50
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US$ 19.50