If you are keeping fish, you need a filtrations system to maintain water quality for the fish to thrive (and even survive as well) and that is a fact. It doesn’t matter whether you have a tiny aquarium or a large pond in your backyard, filters are a must. But when it comes to ponds, things get a bit complicated. And if it extends beyond that and you add fish to the equation, … [Read more...] about Selecting the Best Filter for your Koi Pond