I think have plenty of trochus, it’s a 90 gallon. I have one conch cannot should I add more ?Throwing away your rock and sand and starting over with what is just more dry rock that is painted will not fix your problems.
You don’t have any fish so getting nutrients down (butshould be easy as you don’t have tons of mouths to feed.
Do water changes and suck up any debris. Don’t feed the tank any powdered foods or that nonsense. The corals can eat when you stir the sand bed. Change the socks diligently and so on.
Expect it to take time to correct and it be fixed overnight. Unless you have a nano… nanos are easy to fix
You do not need fish to eat algae. A suitable cuc can do it all. I didn’t have any algae eating fish for the first 10 years in this hobby and now that I have one… I wouldn’t say my yellow tang is that useful.
If you need more cuc… then get more cuc… trochus snails are fantastic.. female emerald crabs can tackle more difficult algae. Conches like to vacuum the sand and lower rocks.
Algae and pests and problems are a normal part of the hobby. You need to learn how to defeat them. Starting over does nothing but reset your clock on what should be a mature tank and you don’t learn anything. My rock has been with me over 10 years now. I consider it the most valuable thing in my tank.
I have nerite snails, nasseris snails and a few other kinds, a brittle star, emerald crabs, peppermint shrimp, tiger pistol and a cleaner shrimp and tuxedo urchin
Any suggestions on other cuc to add ?