$29.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Standard refractometer for measuring salinity for a marine aquarium. Comes witht small blue case.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$29.99