JBL Ferropol Tabs (FerroTabs) counteract the iron deficiency (ferrochlorosis) dangerous to aquarium plants and distinguished by glassy, yellowish leaves. The tabs will create rich green, healthy plant growth in the aquarium by providing the essential iron, manganese, potassium and necessary trace minerlas. As the nutrients are bound to complexing agents, they are available in a form prepared for plants. The micronutrients are prevented from flaking and a deposit effect is achieved. JBL Ferrotabs are free from phosphate and nitrate. This maintains the natural balance in the aquarium and does not encourage algae growth. JBL Ferrotabs have an immediate and lasting effect.JBL Ferropol Tabs+ provides plants with iron, potassium, sulphur and the trace elements manganese, molybdenum, zinc, boron, cobalt and copper in a form easily available to plants+ prevents and alleviates symptoms of deficiencies e.g. lack of iron and potassium+ inhibits growth of algae by promoting optimum plant growth+ s