Learn
Straight answers about algae and water quality
Independent guides from a university water scientist. We diagnose water problems, guide you through working with the right vendor, and take no referral fees, so we can tell you what each fix actually does.
- Why your pond algae keeps coming back (it's the bottom)Pond algae often returns because phosphorus stored in the bottom mud keeps feeding it. Why algaecides don't break the cycle, and how to find the real source.
- Getting a second opinion on your HOA's lake-management proposalHow HOA boards can review a lake-management proposal: what a good one contains, the red flags to watch for, and when an independent second opinion helps.
- Sediment phosphorus testing: what it shows and when you need itA sediment phosphorus test measures the nutrient stored in pond and lake mud, and how much can escape. What it shows, what it misses, and when it's worth doing.
- Is the algae in my pond dangerous to my dog?Some pond algae make toxins that can kill a dog, and you can't tell by looking. What to watch for, what to do, and who to call.
- Internal phosphorus loading: a guide for Florida stormwater managersOlder wet detention ponds can release phosphorus from their sediment in summer. How to tell if yours is, why grab samples miss it, and which fixes match.
Ready to find out what's actually wrong?
One pond? Start with a free satellite read (ponds and lakes 1 acre and up), or get a $179 Pond Health Check: a mail-in kit for your water and your pond bottom, 14 lab measurements, and a scientist's call with a diagnosis and a ranked plan. Bigger or higher-stakes water gets a custom program, quoted per site.
Pond Health Check guarantee: Clear answer or your money back — if we can't tell you what's driving it, you get your money back. Details