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In Vitro aquarium plants are grown in a laboratory under steriel conditions. Tiny pieces of tissue plant material is placed on special gel to grow new healthy, algae free, pesticide free, snail free and germ free plants in a cup. One cup is richly filled with lots of young shoots, full of growth potention!
Gratiola viscidula is a fairly new plant species for the aquarium. We rarely encounter him in the aquarium hobby. The stems are quite robust and by regular pruning to the desired height, a dense forest can be formed over time.