Is that the original substrate? Although I'm sure you've had to add some as it would have dissolved over time. I guess what I'm really asking is, have you completely changed the substrate at any time? If not what kind of maintenance have you performed to it.
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Raul Roman
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Current Tank Info: 150 DD cube mixed reef, 30G sump, Eshopps S-150 cone skimmer, 400W Radium MH, 156W Wavepoint T5, Internet accessible ACIII controller , Vortech MP10 w/ Icecap battery backup, Mini-Arctica chiller, Katalyst fueled reactor fed to Octopus BH800S skimmer
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