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- #21
An inexpensive Bio-filter is going to be hard to come by, especially with the capacity needed for use with ducks...but I'm sure if you already had some of the components, found something used, or found alternatives to things, it could be done at a relatively low cost.
But this is basically what my Bio filter is comprised of...
Tank: $150
Http://m.tractorsupply.com/en/store/rubbermaidreg;-structural-foam-stock-tanks-150-gal--capacity
Filter media (2 layers (1 sheet) of each of 3 densities): +/- $65/sheet,
Http://www.matalausa.com/subcat24.html:
Pump: $67 (was $150!)
Http://www.amazon.com/gp/aw/d/B0009YWNQ6/ref=pd_aw_sbs_petsupplies_20?refRID=123MVCTF04J7ABH0ARGB
Add to the above the plumbing lines to and inside the filter tank, the outlets from the filter to the pond, and any other bits needed as you go and it can get pricey - upwards of $500.
I'm sure cheaper substitutes could be found, but if you cheap out at the start, you end up paying more in the end with lower quality and shorter lifespan of the parts.
Cheers'
Dan
Hmm... That filter tank is about the suze our pond was going to be. That's also a lot more than we're willing to pay right now. Thinking we will just stick to dumping it out for now.