Description:<br /><br /> 36pcs Auqrium Fish Tank CO2 Tablet Carbon Dioxide Diffuser<br /><br /> The CO2 tablets adopt the latest formula｣ｬ it's non-toxic｣ｬ non-polluting｣ｬ has harm to your fishes<br /><br /> CO2 tablets slowly release carbon dioxide to the water｣ｬ and provide the right amount of CO2 to the plants<br /><br /> Usage: <br /><br /> 1. Drop the tablets in different parts in the aquarium<br /><br /> 2.The tablet used in the filter will have better effect<br /><br /> 3.Every 40 liters of water drop 2 tablets｣ｬ put the tablets 2 times a week<br /><br /> Specification:<br /><br /> Product Name: CO2 Tablet<br /><br /> Size: 10cm x 3cm x 6.5cm<br /><br /> Package Includes:<br /><br /> 1 x Box of CO2 Tablet(36pcs\/Box)