and Features: This type of fertilizer is used for aquarium plant root and will provide nutrition with them for growing. Great fertilizer for fish for tank plants,and will grow well to decorate your fish for tank. Root fertilizers are one of the most important aspects of growing nice for lush plants in an aquarium. These capsules have shown great improvements in many of the plants in the for tank. Root tabs will improve the growth of most any plant, but are especially important for Amazon Swords, Crypts, Vals, and many others. How to use: Use tweezers to clamp the root fertilizer and insert it into the root of the water plant at a depth of 2-3 for cm. Use 1 grain at a distance of 10 - 15CM.The outer capsule is a plant capsule that dissolves itself after a few hours in water.(Use it once a half a month.) Specification: Type: Aquarium Plant Root Fertilizer Color: As pictures shown Size: diameter 4.5cm(1.77in) Height 8.5cm(3.35in) Shelf life: 36 months Quantity:60pcs/Bottle (1 Bottle of fertilizer only,other accessories demo in the picture are not included!) Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Bottle x Fertilizer