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Recommended for all types of herbivorous and omnivorous marine fish
Suitable for aquariums with glass up to 20mm thickness
Magnesium levels should be checked regularly and adjusted to ensure optimal levels i
alkalinity buffers and other elements
Magnetic mount with angle adjustment
Zoa Rock Orange and Green Polyps (Zoanthus sp.) Scrapers & Algae Magnets Recommended for all types ofZoa rock (Zoanthus sp.) Orange, green Soft Coral Beginner care level Approximate size: 10cm x 9cm Zoa's multiply by spreading outwards across rocks, when you have just a few heads it can be quite a slow process but as the colony grows the spreading increases exponentially. A good sized colony of zoa's is visually very impressive. Zoa's prefer moderate to high flow and moderate to high lighting.