lol and many more what should i do and calcium up im getting troubles getting my reef tank stable so please help me out i just wanna have everything doing okay i got a blue tang a naso tang and two clowns but today i get 3 small clowns my ph is at 7.8 and my kh is at 6* and i think calcium at 500, ammonia my test kit doesn't detect it but i have purple algae, MY QUESTION WHAT SHOULD I DO if i do water changes it goes ok but after two days goes back to the same i add kh buffer every day very slowly but my glass goes white
