Reef Primer is a premium dip for your corals and frags. Use in your acclimation routine, Reef Primer put all odds on your side to solve the problems caused by: Zoanthid Eating Nudibranchs, Montipora Eating Nudibranchs, Acropora Eating Flatworms, Bristleworms, Zoanthid Eating Spiders Red Flatworms, Filamentous Hair Algae, Rapid Tissue Necrosis, Slow Tissue Necrosis, Bacterial Infections and More. Reef Primer is gentle on your coral and won’t trigger any stress response due to the dip process. Simply dip your corals or frags in the Reef Primer solution for 5 minutes for a complete protection. Make Reef Primer from Polyplab the only products you trust in protecting your piece of the ocean.