Pond scum

[jimscott]

I disbanded the bog but the plants have been lengthening and branching in the fishtank. It may not be the best conditions but certainly not the worst!

 

[JB in Utah]

When I saw the red Utric bladders it prompted me to go and look at my U. gibba and behold the picture of questionable quality:
sorry it's so big, I couldn't get it any smaller