Riccia is such a lovely looking plant though overdosing exel/ liquid carbon can exterminate it if desired ime.There was a reason, I put the crying smiley...............Riccia is notoriously "sneaking in". And very hard to get rid of, after !!
Sometimes just THINKING about Riccia will contaminate a perfectly clean tank, I'm sure...........
Thats how i got rid of my unwanted riccia. It takes time but does workRiccia is such a lovely looking plant though overdosing exel/ liquid carbon can exterminate it if desired ime.