When you have an employer group health plan and want to apply for Medicare, the work status of the policy holder (you or your spouse) affects whether or not you will be in a Coordination of Benefits period.
Copper is an excellent treatment for saltwater ich or marine velvet disease, but it can be toxic and stressful to fish. Of course, using it is much better than letting a fish die from velvet, but it should never be used in a tank with healthy fish. Improper nutrition is also a commonly overlooked stressor of fish.
Fish need oxygen to survive. Water contains oxygen that has dissolved in it from oxygen gas, and fish gills can extract the dissolved oxygen gas out of the water. Fish donât have the right anatomy to extract oxygen from the air, so a fish out of water only lasts a few minutes. Unless youâre a mangrove killifish.