$69.99Last catalog price, August 2007
Catalog description
Bio-Activ Reef Aquarium Substrate, part number AAT055, is a discontinued product from the 2007–2011 catalog. It was last listed at $69.99, up from a low of $69.00.
About the Bio-Activ Reef SubstrateThe Bio-Activ Reef Substrate is perfect for reef system tank bottoms for denitrifying anaerobic beds and for high surface area filter media. It's pre-washed and requires minimum rinsing.
Catalog price history
| Observed | Listed price | Change |
|---|---|---|
| May 2007 | $69.00 | |
| August 2007 | $69.99 | +$0.99 |