Name: Hydrocotyle verticillata
Origin: North to South America
I've kept these marsh pennyworts for over a year now. They thrive pretty well in my 24W PL-L lighting and keep having new shoots. However, as they grow tall the weak leaves always seem to be overrun by hair algae.
I have found these grow mush better in shallow water. My plant was originally in my 100 L tank but struggled to produce much growth. I thought that the depth might be a factor because my tank was tall, so I moved it into my new mudskipper setup with a bank so the creatures can hop out of the water. I found that when I replanted it only about 10 cm from the surface in the sloping substrate it actually grew onto the bank I had created. After three months on a diet of liquid fertiliser it grew very successfully in and especially out of the water. My mudskippers only love to wander in the growth this plant has created.
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