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| Southdown sand. There is currently about 300 pounds of this in the system, 150 in the main tank and 50 in each refugium. I am slowly adding more to the main tank from the refugiums. |
| This is the sump. Two 150 watt heaters and a Do-It-Yourself protein skimmer that works better than any skimmer I've ever seen. The container is a 50 gallon Rubbermaid container. |
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| Equipment |
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