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Originally Posted by StirCrazy
I don't think Brad can say for sure it was because he put new sand in or because he reduced his depth as the sand he had in there had contaminated stuff from another source  so he never tried just reducing the depth as he HAD to replace his sand. |
Steve, you'll recall that the right side of the tank, which was the worst, had been reduced over 2 months to half it's original depth. Even when it was less than 2 inches, that area continued to grow the brown slime. You're right though, I'll never know for sure what it was about the sand that caused it.