dimanche 9 novembre 2014

Damsel as a kH measurer

Has anyone notice anything like this ?



Last week I failed to notice that my baking soda mix container I use to dose carbonates from went empty, so my kH dropped from about 8 to about 6.5. I did not notice that immediately, but what I did notice was that my blue damsel started digging holes in the substrate. She did that before and I did not know why she did it. This time I thought maybe she does that when kH (or pH) goes down. Over last 4 days I am raising my kH and it is at 8.3 today and she has not been digging any more.




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