Water pump advice and buying guides.
Field notes from the pump room: practical, engineer-led advice on choosing, installing, and maintaining pumps.
Can I Reduce the Hose Size on My Pump?
A question we were asked today. The simple answer is no, but the real answer depends on where your job sits on the pump's curve, and sometimes adding frictio...
Drainage Pipe Falls and Gradients: What the Regulations Require
How much fall does a drainage pipe need? The required gradient depends on the pipe size, what it carries and the flow. Here are the figures, and what to do w...
Best Plants for Flood-Prone Gardens: Planting, Drainage and Pumps
Some gardens flood again and again. Choosing flood-resistant plants and designing for water, with raised beds, bog gardens and the right drainage, keeps a we...
Flooded Garden? How to Clear the Water, and When You Need a Pump
A flooded garden is stressful, but most floods can be cleared safely with the right approach. Here is what to do first, how to remove standing water, and how...
What Pump Do I Need for Garden Sprinklers?
Sprinklers live and die on pressure and flow. Here is how much pressure garden sprinklers need, why yours might be weak, and whether one pump can run two.
How Does Head Height Equate to Pressure?
Head and pressure are two ways of describing the same thing. Here is how metres of head convert to bar, psi and kPa, why pressure changes with flow, and what...
Is There an Automatic Pump with Low Suction and High Free Passage?
Customers increasingly search for an automatic pump with low suction and high free passage. Here is why no single pump does all three, and the setups that ge...
What Size Water Pump Do I Need?
The first question in sizing a pump is not its size, it is what you need it to do. Here are the five questions that lead to the right pump, explained in plai...
Can I Pump Water From a River or Stream? Choosing the Right Pump
You can pump water from a river or stream, and the right pump depends on the bank, the power you have and the job. Here is how to choose, the practical way.
