Aquarium Choice 2021 newest coral feeder not only can be used for feeding coral and seafish directly to avoid overfeeding but also can be used for removing rest fish food and fish excreta etc. <br>Overfeeding is one of factors to cause high NO3,PO4. <br>THE WATER IS ALWAYS THE KEY. <br><br><b>Product Feature：</b><br>1Product material:Two units Acrylic tube,two units Soft SILICON RUBBER suction nozzle and two units unique cap（The cap will not be broken because It is not ball cap and It is very easy to control the liquid volume which you use to feed coral.There are two ways to suck the coral food in and three ways to push the coral food out to feed to coral.） <br>2.RUBBER suction nozzle and unique special cap with 25ml liquid volume con.<br> 3.Many-ways to use it:It is very easy to control the liquid volume which you use to feed coral.There are two ways to suck the coral food in and three ways to push the coral food out to feed to coral. <br>4.Soft SILICON RUBBand It is very easy to control the liquid volume which you use to feed coral.There are two ways to suck the coral food in anER suction does not harm coral and fish. <br>5.Acrylic material tube does not broke as easily as glass material.<br>6.Soft rubber suction does not harm coral and fish. <br>7.Coral Liquid food and fish food can be seen clearly in acrylic tube.<br>8.Mainly used for marine tank.<br>9.please check the forth main pictures in this product listing on the left side to know how to use this product with right gesture.<br><br><br><b>Product quality warranty:</b><br>We offer one year product quality warranty.If you have any question about our product,please feel free to contact us by email from Amazon Platform.<b>(PATENTED PRODUCT)