Category
Stocking Guidelines
Goldfish vs Koi: Which Pond Fish Is Right for You
Goldfish and koi look similar at a glance but differ enormously in size, space needs, and lifespan. Here's how to decide which one fits your pond.
How Many Fish Can Your Pond Actually Hold? Stocking Density Explained
The gallons-per-inch rule is the standard way to check stocking density. Here's what it means, where it comes from, and what can shift it.