08-08-2011, 12:15 PM
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Originally Posted by Byron
I had an experience similar to Mikaila. When I moved in 2000, I had extensive "lawns" of crypts in both large tanks, and the plants were pulled up and moved in a spare tank with just enough water to cover them. They got cold on the truck. The following day, I set up the tanks again and planted them. To my surprise, they did not melt.
A year later, the water board started raising the pH of the tap water by adding some sort of ash [can never remember the name]. The hardness did not change, it is (and was) < 1 dGH. But the pH shifted from around 6 to 7. I was unaware, and did my usual 50% water change on the Sunday after this. By Tuesday, every crypt in both tanks was a pile of mush, completely. They never did fully recover; some did, feebly. After several months with no sign of leaves, I pulled them out, the roots were basically gone too.
More recently, I have moved my present crypts from one tank to another, same water conditions, and they completely melt and new leaves generate usually within a week or two. When I last moved some C. undulata to another tank, they did not melt; but my C. pontederiifolia went to mush. I have had to move this plant twice since, and this last time it is not recovering at all, so far. Too much I guess.
its a shame that their so sensitive I had them kind of like "lawns" too but oh well. How often do you do your water changes?