I bought 2 pieces of LR 2 days ago and I am curing it in a 10 gal tank. Well, I bought it just for the beautiful bright peach cora. Algea and I have changed 50% of the water 2 times in 2 days and my nitrites are still above 1 and amm off the chart. Well, now the peach has turned a bright green. I still have a small amount of peach and I hope to save it please help! How do I save some of it to introduce this color onto my other existing rocks in the ST?