I can back 10 days later, and the water wasn’t cloudy, and you could visably see where she had been feeding on it. Many come in an inner packet to keep the food fresh and this needs removing before using or you may harm your fish – you’d be surprised at how many people miss this when opening the food and end up placing the block in the aquarium still in its film. The Small starfishshaped blocks are made from a calcium matrix that slowly dissolve to release Fish Food into the water. Simply pop the feeder into your aquarium, one pyramid should be enough for a 38 litre aquarium for 2-4 days.

While overfeeding won't make your fish explode, it will contaminate the water, making the tank an unpleasant place to live.

Continually test the water quality as the slow release fish food dissolves into your tank – if you notice any scary fluctuations, remove the feeder block from your tank immediately. The blocks dissolve slowly releasing small particles of food as well as ingredients to neutralise your aquarium water. Containing highly nutritious pellets of energy rich foods, the block will slowly soften to feed fish over a three day period.

To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average.However, this type of food isn't strictly necessary because, as mentioned above, most fish can happily fast for a few days at a time. API VACATION PYRAMID FISH FEEDER should be used as a temporary substitute for daily feeding for your fish while you are away on vacation.