• Looking to buy a cephalopod? Check out Tomh's Cephs Forum, and this post in particular shares important info about our policies as it relates to responsible ceph-keeping.

Phosphates in Tank


O. bimaculoides
Nov 8, 2012
I’m helping a local with maintenance on a tank that has a dwarf octopus. I did some water testing and the phosphates, however, are around 0.90ppm.

I know with reefs you’re not supposed to lower phosphates too quickly for the corals. Fish, to my knowledge, are not as sensitive.

However, what about octopus? Does it need to be lowered slowly?

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