Pump Sizing & Running Costs
What Size Pond Pump Do I Need? A Step-by-Step Guide
Work out your pond volume, pick a sensible turnover rate, add up the head height, then read a pump curve. Here is the full method with a worked example.
Pond pump guides
Practical, research-based guides to choosing, sizing, installing and maintaining pond pumps. Every guide is written from manufacturer documentation and established hydraulic rules of thumb, and none of them claim hands-on testing we have not done.
Pump Sizing & Running Costs
Pond Pump Head Height Explained: Why Lift Cuts Your Flow
Head height is the reason a pump rarely delivers the flow printed on its box. Learn what counts as head, how to estimate it, and how to read a pump curve.
Buying Guides
Submersible vs External Pond Pumps: Which Should You Choose?
Submersible pumps are simpler to install; external pumps are easier to service and often cheaper to run on big systems. Here is how to decide.
Filters & Accessories
How to Match a Pond Pump to a Filter and UV Clarifier
Too little flow starves a filter and too much pushes dirt straight through it. Use the filter and UV ratings to set the flow window your pump must hit.
Pump Sizing & Running Costs
Pond Pump Running Costs: How to Calculate and Reduce Them
A pump that runs all day is one of the larger electrical loads in a garden. Calculate the yearly cost from the wattage, then cut it without harming the pond.
Buying Guides
The Complete Pond Pump Buying Guide
Pump types, motor designs, flow, head, solids handling, running cost and warranty: what each one means and how to use it to shortlist the right pump.
Waterfalls, Fountains & Solar
How to Choose a Waterfall Pump
Size a waterfall pump from the spillway width and the look you want, then check it against the lift and the pipe. A worked example shows how.
Waterfalls, Fountains & Solar
Solar Pond Pumps: Benefits, Limitations and Who They Suit
Solar pumps cost nothing to run and need no outdoor socket, but their output follows the sun. Here is where they work well and where they fall short.
Troubleshooting & Pond Care
Pond Pump Troubleshooting: Find the Fault by Symptom
Pump stopped, flow dropped, or a new noise? Work through the likely causes in order, starting with the safe checks, and know when to stop.
Troubleshooting & Pond Care
How to Clean a Pond Pump Safely
Most lost flow comes back with a ten-minute clean. Follow these steps to clean the intake, impeller and housing without damaging the pump.