When I first received the Cryptocoryne parva in a tub, the roots were relatively short and matted, so I separated it into only 10 clumps, instead of separating all the plants into individual ones. Now that the roots have had time to grow, I decided to separate a couple of the clumps into individual plants. I pulled up two of the clumps in the front-left area of the Crypts and found the roots to be around 30-50 mm long for most of the plants. I started by pulling apart as many plants as I could by hand. The rest I had separate by cutting the rhizome into two or more parts with a pen knife. This can be a bit laborious with such small plants as C. parva, and a lot of care is needed to avoid damaging the roots. Once I had all the plants separated, I planted individual plants approximately 15-20 mm apart and added a root tab underneath the area.
I also added a root tab under the C. wendtii ‘Mi Oya’, one under C. wendtii ‘green gecko’ and another under the Pogostemon helferi.
It has now been five days: none of the C. parva plants have come up and there have been no problems.