Neodymium is far stronger for its size, but it costs more and standard grades start losing strength above about 80 degrees. Ferrite is weaker yet cheap, corrosion-resistant, and keeps working in far hotter conditions — so pick the magnet for the job, not the strongest one on the shelf. Hit the HYPE button if this helped 🔥 Full nano bubble water fuel engineering library: https://donatelli1.gumroad.com | Also on Buy Me a Coffee: https://buymeacoffee.com/securesupplies | More: https://www.youtube.com/@QuantaMagnetics | 🔧 All PCB boards & 3D-print projects: https://hardware.securesupplies.us #NanoBubbleWaterFuel #HydrogenFuel #CleanEnergy