Complete Large Water Garden Kit With Adjustable Flow Waterfall Pump The Aquascape Large Pond Kit (21 ft x 26 ft / 6.4 m x 7.9 m liner) provides everything needed to build a large water garden up to approximately 8,000 gal (30,300 L), with the AquaSurge 4000-8000 adjustable flow pump included. The AquaSurge 4000-8000 adjusts from 4,000 to 8,000 GPH (15,140 to 30,280 LPH), allowing waterfall flow to be tuned precisely after the pond is filled and the visual result can be assessed. Matched Components for a Serious Koi Pond Large ponds supporting significant koi collections demand filtration capacity that keeps pace with fish waste and organic load. The skimmer and BioFalls filter included in this kit are sized specifically for the large pond footprint and the 4,000 to 8,000 GPH pump flow range, ensuring the biological filter is not under-served by an undersized pump or overwhelmed by a pump running above the filter's rated throughput. Specification Value Liner Size 21 ft x 26 ft (6.4 m x 7.9 m) Approx. Pond Volume 8,000 gal (30,300 L) Pump Included AquaSurge 4000-8000 (4,000 to 8,000 GPH / 15,140 to 30,280 LPH) Filtration Signature Series 1000 skimmer and BioFalls 1000 biological filter Kit Contents EPDM liner, underlayment, skimmer, BioFalls filter, pump, flex pipe, fittings, water conditioner Fish Capacity 25 to 40 medium koi How to Use Follow the Aquascape large pond construction guide for excavation depth, shelf layout, and liner sizing. The large kit liner requires two installers to handle without creasing. Install the Signature Series 1000 skimmer at the intake end and the BioFalls 1000 at the waterfall end before the liner is placed, as both units are embedded in the excavation. Connect pump to BioFalls via flex pipe and confirm all fittings are hand-tight before filling. Allow six to eight weeks of biological filter establishment before stocking at full fish capacity. Ideal for serious pond hobbyists and professional pond contractors building large backyard koi ponds or water garden showpieces where matched filtration and pump capacity are essential from day one.
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