Brightwell Iodion - 500ml or use a dosing pump

or use a dosing pump to add slowly the same amount divided into daily increments

XF350 Pump

Please Note: Because of the fragile nature of this rock

If you are going to keep them in the bottles for an extended period

you can take advantage of this strong feeding response by first adding the Oyster-Feast and waiting a few minutes for the polyps to open up to feed before adding the other feeds

Brightwell Iodion - 500ml or use a dosing pumpAdvanced Iodide Supllement for all Marine Fish & Reef Aquaria Overview Highly concentrated, extended activity iodide solution. Provides iodide, which is important to hermatypic corals and other invertebrates harboring zooxanthellae, macroalgae, and also to the health of fishes. Stronger than most competing products. The nature of iodide sources used makes Iodion more effective than standard iodide solutions. Suitable for use by aquarium hobbyists of