[Lars Iversen]

Hi guys

Beside the problem with the growth limitations towards higher temperatures, Peter is mentioning, I think some of the main problems using temperate mosses in tropic aquariums are one of these two:
Firstly, most of the species grow only partial submerged and depend on seaonal and/or partial aerial exposure. Secondly, many of the temperate mosses (e.g. Spaghnum species) needs an yearly diapauses during the winter. The last point might be problematic in a Parosphromenus tank :).

What I find problematic in blackwater setups is keeping the growth of some of these mosses dense and not get these stringy structures as Stephanie is showing. But by placing parts of the mosses above water it seems to restrain the need to leave the tank and creates a much more unidirectional growth.

At the moment I’m mostly using Leptodictyum riparium as an alternative to Java moss. It grows rather slowly but pretty steady in my tanks.

Best regards
Lars

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