good parameters

I think I have figured out why flower pot corals are hard to keep.... They like dirty water! Mine has lived for 1 1/2 years, and now it's on its way out. It was very happy in my old 50 gal tank with a hang on filter. Hi nitrates and nitrites were always a problem. The flower pot thrived. When...

Today I came across a YouTube video... I know,I know, don’t trust YouTube vids. And that is why I’m here asking. The video claimed you really only need to test Temp, Salinity, and PH. What are your opinions on the top, or most important parameters to test?

So no matter what I do most of my corals are slowly dying all except my 2 hammer corals, it’s my softies like clove polyps and purple anthelia that are dying first my purple anthelia was the first to go and the rest are still hanging on, my tank parameters are, ammonia 0, nitrates 5-10 , ph 8.2...