The best plants for a bog filter are plants that tolerate wet roots, suit your climate and water depth, and are easy to trim or thin out. In my ponds in south-east Australia, I use plants...
Category: Maintenance
A pond can look completely different in winter. Plants slow down, algae can become more noticeable, debris accumulates, and the biological processes that normally help break down waste aren't...
One of the most interesting comments I recently received came from someone with a 20,000-gallon (75,000-litre) koi pond. Their pond had: A large skimmer A waterfall filter A bog...
Is Rainwater Causing Algae in Your Pond? Understanding KH, Stability and Pond Ecology
Most people think rainwater is perfect for ponds. It's natural. It's free. It doesn't contain chlorine. So surely it must be the ideal water source. But what if I told you that in some...
If someone asked me: "Kev, can I use a bathtub as a bog filter?" I'd say yes. The plug hole gives you a ready-made drain. You can drill an overflow. You could even tilt it slightly so the...
Carbon, Oxygen & Waste: How Natural Pond Filtration Really Works
Most people think pond filtration is all about removing sludge, cleaning water, and keeping things spotless. But in reality, every pond is running a constant balancing act between carbon, oxygen,...
