These Eco-Blox are water matrix blocks..or "cubes" that get installed in basins for pondless waterfalls or rainwater harvesting used in bog filters, pond-free waterfalls, wetland filtrations and more.
Each block holds 31.5 gallons of water and allows for 3 times more water storage then if you were to use gravel. This means without using them you would need three times as big of a basin filled with gravel. Which is more labor intensive and uses more stone.
The blox's also allow for easier servicing if you should need to flush out the basin.
Sold in packs of 2 blox's that allows for 63 gallons of water volume.
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