Waterfall filters are sometimes preferred because they make hiding the filter easier: the filter lives inside the waterfall itself and forms the basis for the waterfall spillway. Our waterfall pond kits are quite similar to the above ecosystem pond kits, except that instead of using an external pressurized filter, a waterfall filter is included instead. For example, according to Aqua Ultraviolet, for a pond size of 10,000 gallons, you can likely get away with a 7500 gph flow rate. If this is you, then have a look at the Aqua Ultraviolet Filters chart on our filters page for the flow rates that work for various sized ponds. Įven with fish, when the ponds get larger, lets say over 7500 gallons, unless the fish concentration is very high, most people will start relaxing a bit off their flow rate. So for a 2000 gallon pond, they may choose a flow rate of 1000 to 1500 gph.
These people may choose to pump the contents of their pond every 1.5 to 2 hours to save on equipment. However, if you're on a budget, some people will choose to relax the flow rate a bit. If you don't have fish in your pond, you can still use this same flow rate for the best filtration results. So a 2000 gallon pond will have a flow rate of 2000 gph. How do you choose a flow rate? Here's a rule of thumb:įor most reasonable sized fish ponds we recommend pumping the contents of the pond each hour. For example, a 2000 gallon pond with an extra-large waterfall will require more than 2000 gallons per hour. However, some people will want more or less flow depending on their goals. If you want to keep things simple, start there. For example, most people with a 2000 gallon pond will try to have a flow rate of around 2000 gallons per hour through their filtration system. Why do we do this? It's so our kits can be more flexible and used in more situations. Rather than give you a kit based on the physical size of the pond, we organize our kits by flow rate.
We size our kits differently than most other pond companies.
This might sound like a complicated step, but it's really not.
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