Vals tend to melt when they are transplanted to a new tank due to the different water parameters but come back with a vengeance once they acclimate. Just be sure to remove the melted leaves. It encourages new growth. Every time I have put them in a tank they have taken off like a rocket and began sending out runners within two weeks. Vals are root feeders so a nutrient rich substrate and/or root tabs will help them out immensely.
Born to fish, forced to work, but only have time for work, family, and my aquarium.
Pre-filter over my intakes prevent's leopoard vals,crypt balansae, from being pulled up against the uptake/intake.
Both have grown to the top and are lying across the surface, but the crypt balansae too much longer than the vals to do so.
Vals are said to do a bit better in hard water.