calcium and alk

Everyone knows one of the keys to successful coral growth is stable Alk/Ca. My question is, what is the real definition of stable? Are we talking about a rock solid unwavering alk of 9.5? or is bouncing around from 9 to 9.5 back to 9.2 , etc. ok? Here's my trident results from the last few...

It won’t let me take off the emergency button but anyways I’m having a weird problem with this orange like slime that was growing on my corals and then I realized it was growing in my sump I’ll attach pictures. It’s not cyano bc I think cyano is red and I used chemiclean awhile ago but it didn’t...

Avast Marine Works Vibe Reactor - 2L In great condition! Used for a couple months, still works flawlessly. No pump included. Asking $300 OBO (shipped). Local pickup is in 44039 (Ohio).

Hello, I am having a weird problem. My calcium won't go down. I have been using tropic Marin all for reef for quite some time (powder mixed with RODI), and recently I've noticed my alk and mag are ok (9dkh, 1375 mag) but my calcium is 550-600 (usually 430-460). I lowered my all for reef dosing...

Hi Guys, I've been testing my tank water for about a week and have recently introduced my first batch of coral - 4 small LPS frags along with a small Zoa frag into my tank this weekend. In the week leading up, I was told my Calcium was low by my LFS after I took my water in double check my...

I’m having trouble balancing calcium and alk and unsure of what products work best. I’ve been using seachem with poor results. Also, I’m not sure I even understand how to use them properly. Is there an all in one product easy to understand and use that anyone recommends? Thanks in advance!