How to Fertilize pygmy water lily?
Use aquatic plant feed lightly in growth season

pygmy water lily · Nymphaea tetragona
Also known as: Chinese waterlily
Grow in undisturbed water in full sun. Plant in baskets in loamy soil with crowns just below soil surface and covered with pea shingle. Position basket so that it is covered by 10-25 cm of water. Feed during the growing season with a proprietary aquatic fertiliser at the manufacturer's recommended rate. Ideal for ponds in containers and other small ponds.
Use aquatic plant feed lightly in growth season