Perfect way to feed pufferfish, loach, Malawi cichlid snail, and other fish that enjoy fresh vegetables Made of 304 stainless steel, metals do not rust in seawater, making it perfect for any type of aquarium. This is a very simple method of placing vegetables and meat such as cucumbers and courgettes in the sink. It is also easy to screw into vegetables and sink to the bottom of the sink. Very suitable for bottom feeding, easy to use, very practical