tank

Hello all! I have two research projects where I'd be sampling octopuses at sea (and then release them) as well as to keep mothers in the pots and transfer them to the aquaculture facility to study them. For these to happen, that means I'd need to create my own octopus pots, or a den for them...

We've been having some nitrate spikes in our water system, and while we are exploring long term options for prevention, I was wondering if anyone could suggest any of the immediate additives that should reduce nitrates quickly when that happens. I listed a bunch of examples I found below. Any...