Whether you're setting up your very first tank or you've been keeping koi for decades — Pond Pal is here to help. Free AI-powered tools, plain English advice, no jargon.
Just answer a few questions and our AI gives you clear, friendly answers — no fish degree required!
Tell us your tank size, how many fish you have, and what kind of filter you're running. We'll let you know if your setup is a happy home for your koi.
Check my tank →Enter your test kit readings — pH, ammonia, nitrite, nitrate and more. Our AI diagnoses any issues and tells you exactly what to do to fix them.
Analyze my water →From setting up your very first pond to advanced breeding tips — our friendly guides have you covered at every stage of your fish keeping journey.
Read the guides →No complicated forms, no confusing charts. Just simple, friendly guidance.
Enter your tank or pond details — we keep it simple and only ask what we need.
Pond Pal analyzes your info using proven fishkeeping guidelines and best practices.
Plain English results — what's good, what needs attention, and exactly what to do.
Follow the guidance, watch your fish thrive, and come back anytime you need help.
We believe good fish care should be accessible to everyone — not just the experts.
We explain everything in plain English. No confusing acronyms, no overwhelming walls of text — just friendly, practical help.
Our AI uses real fishkeeping standards like the 250-gallon-per-koi rule and proper water chemistry ranges that experienced keepers rely on.
Our core tools are completely free, forever. We keep the lights on through affiliate partnerships — so you get great advice at no cost.
We don't just say "your ammonia is high." We tell you exactly what percentage water change to do and which products to use.
Start with our free tank checker — it only takes a minute.
Get Started — It's Free 🐟