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Caribsea Arm Reactor Media - Fine, 4.5kg

32,50
Arm ™ with the highest solubility of all available reactor environments (metastable at 8.2), consumption
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Caribsea Arm Reactor Media - Extra Cane, 4.5kg

45,95
Arm ™ Extra Large a high magnesium reactor medium. Arm ™ Extra Corse is always an environment
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Caribsea Arm Reactor Media - Medium Coarse, 4.5kg

56,95
Arm ™ Big Calcium reactors have evolved into several types that require different support sizes. For this reason,