Before you buy, remember: UV is not a filter. It kills germs, but won’t remove dirt, soap scum, or lint. You’ll need a pre-filter (sediment and maybe a carbon filter) before the UV chamber. It’s like having a bouncer at a club who checks IDs before the VIP lounge.
Secondly, test your water’s turbidity. If you can’t see the bottom of a bucket, the UV light won’t penetrate well. Aim for water clarity of less than 1 NTU (nephelometric turbidity units—yes, it’s a mouthful). Pro tip: use a simple test kit from Amazon. It costs $15 and saves you from a headache later.
Finally, size matters. A small UV system on a big house will be like a single bartender at a wedding—overwhelmed and ineffective. Calculate your peak water use (usually morning showers + sprinklers) and buy a system rated for 1.5 times that flow. Trust me, your garden will thank you.
