The figi rock with the red coral alge was from a 70 gal frag tank and the other is just some lace rock and I kinda figured the bed was deep. oh and also week 2 my Ammonia was 0.25, PH was 7.9, Nitrite 0.0, Nitrate was 10, ALK 2.0, and SAL was 1.021 so that is what I'm basing these thoughts...