ITEM NAME:36pcs/Box Water Plant Root Fertilizer Aquarium Fish Tank Aquatic Cylinder ME Features: Funtion: Root Fertilizer for Water Plant. Mixed delolop nourishing ingot-shaped, it fit all kinds of water plant, having important living iron and maganese, and it can resolve mineral slowly and longtime. To concerted happening in the water serise box. 100% water plant root fertilizer is sucked up from waterplant roots. Usage: 1.Fro erery 20L of water put one table. 2.It can dissoved in the water for 4~5 hours, efficacy of about 3 weeks 3.The medicine must be pulverized, immediate insert the place near the water plant roots. Add a half of medicine better after every exchange water. Pay attention: Better to use 100% water plant root fertilizer with 100% water plant Liquid Fertilizer. Don't keeped for child. Package size: 10.5cm x 7cm x 3cm Pill size: 1.2cm Package includes: 36pcs/box Water Plant Root Fertilizer Note: Please allow 1-3mm error due to manual measurement..Better to use 100% water plant root fertilizer with 100% water plant Liquid Fertilizer. Funtion: Root Fertilizer for Water Plant. 100% water plant root fertilizer is sucked up from waterplant roots.