Westland Aquatic Planting & Potting Mix is now Peat Free and will support the healthy development of all aquatic plants. The mix contains loam, grit and slow release nutrients to provide long life support. The grit ensures good anchorage so your plants do not float astray, ensuring your best ever aqautic plants. This specially blended planting and potting mix helps prevent leaching of nutrients into the water environment. Prevention of nutrient leaching also helps reduce greening of water, inhibits algae production and provides sustained nutrition to plants for long lasting support. Ideal for plants such as water lillies, irises and lotus flowers.