Hi, so after about 5 years of faffing about I finally decided to get cracking on a Pond. I decided to build roughly about 18'000 litres. It's about 22ft long an on average around 2.5 ft deep. I've been looking round at filtration and because I have dug out another pond higher up, to create a waterfall into the main pond, and keep a few fancy Goldfish in, I have been toying with the idea of 2 pressurised filters instead of a Nexus 320. The Nexus I don't think would be able to accommodate...
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