Looking at some of the pictures it looks as you got some cyano red/purple in color, a good thing with means biodiversity what you want.Here's some pictures. My phone doesn't take very good pics when the light starts ramping down.
I don't know all the parameters.. I'm on a budget so I've been saving a little at a time to get each one. But the alk is 8, pH is 8.2, temp is 79/80, nitrates are at somewhere between 5 and 10ppm, and phosphate is .05. I stopped using the phosban reactor like you all suggested.
Unfortunately I do find the crabs causing all sorts of mischief.![]()
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Just dont stress your self out to much, doing water changes will help keeping the water parameters right for now. But you should start doing research on the link i sent above, do planning and get test kits when you can afford it. Then get addives when you got the know how to do so.

). I also track growth with pictures in this app. Its pretty great. There is a paid version too but ive never felt it was necessary to purchase.

