Should i defrost my frozen blood worms before feeding?
I would defrost the wholde cube as, in my experience, it is quite difficult to cut in half a fully frozen cube. The fact that the cube is frozen will not alter the temperature of the water although most fish will not readily go for food that is frozen. In the case of goldfish, they will be greedy and can hurt themselves trying to gobble it down to quick. In my opinion I have always defrosted the cube all the way before feeding and discarded any leftover. Do not refreeze whats left as it can become contaminated with bacteria which will harm your fish. Live bloodworm are potential disease carriers and freeze dried bloodworm are not good for fancy goldfish as they can cause bloat. However if you have tropical or marine fish then freeze dried bloodworm or prepacked ‘delicia’ which is bloodworm in jelly would be just as good as frozen.