5cm Ball Air Stone With Metal Connector - 5 Pack Shrimp Food Designed to look like a

Designed to look like a relic from a forgotten world

equipped with unique technology and design

and harmful chemicals

Some are made using diluted resin mixtures containing harmful chemicals that can leach into water and endanger aquarium inhabitants

5cm Ball Air Stone With Metal Connector - 5 Pack Shrimp Food Designed to look like aThe Castle Dawn Aquatics 5 cm Ball Air stone is built for long lasting, high efficiency oxygenation in aquariums, deep water culture (DWC) systems, and outdoor fish ponds. Designed with a durable mineral based body and a metal connector, this airstone outperforms plastic connector alternatives by offering superior strength, leak resistance, and a longer service life. With a jetting volume of 5 L min, it produces a rich flow of medium sized bubbles,