An aquarium expert that answers your questions in seconds, teaches you the why behind every decision, and accompanies you on your journey. Marine, freshwater, or planted.
Over 2,500 aquarists already learning with Ask Yaro.

βI lost three fish in one week without knowing why. Since I started using Ask Yaro I haven't lost a single one in four months.β
β Carlos M. Β· 300L Marine Β· Mexico City
Without Ask Yaro
The alternative
Ask Yaro knows your aquarium, your parameters, and your species. Every answer is personalized β not generic. Like having an expert available at 3am, without the consultation fee.




HOW IT WORKS
01
SETUP
Tell Yaro what type of aquarium you have, the volume, the species living in it, and how long you've been in the hobby. Three minutes that change everything.
02
CONVERSATION
Write to it like an expert friend. Send the photo of the fish you want to buy, your water test result, or the strange behavior you noticed.
03
RESULT
Yaro analyzes the full context of your aquarium and gives you a clear action plan with the why behind each step. No ambiguity, no waiting.
Every ecosystem has its own language. Yaro speaks it.
SPS Corals Β· LPS Β· Reef fish
Community Β· Cichlids Β· Biotope
Heavily planted Β· Iwagumi Β· Dutch style
We have 7 free tools for aquarists. Use them now β no account, no cost.
REAL STORIES
βI lost three fish in one week without knowing why. Since I started using Ask Yaro I haven't lost a single one in four months.β
Carlos M.
300L Marine Β· Mexico City
βI sent a photo of the fish I wanted to buy and in seconds it told me it was incompatible with my Angelfish. Saved me the heartache.β
Fernanda R.
Planted community Β· Guadalajara
βAt 2am my fish were at the surface. Yaro diagnosed hypoxia and told me exactly what to do. I saved them all.β
Diego S.
Tropical freshwater Β· Monterrey
PLANS
7-day free trial on all plans. No credit card required.
Measure. Record. Begin.
Understand what's happening β and what to do next.
Prevent problems before they happen.
β 7 days free Β· β Cancel in 1 click Β· β No hidden fees
FAQ
Over 2,500 aquarists are already making better decisions with Ask Yaro. Join and start with 7 days free.