04-24-2010, 07:57 AM
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live sand versus extra sand
i am about to redo the substrate on my four month old tank. i currently have crushed coral about 1" deep. i am starting to develop red algae as it comes and goes. i have attempted the method of removing the source, keep dark for 72 hours and minimal feeding. this work for a little bit then comes back.
i want to remove as much of the actual shells and just add sand to the depth of about 4 inches. #1 can i do this, just pouring new sand over old. should i use live sand or extra sand? will the tank recycle? i want to make sure this will not potentially kill the inverts and two fish........