Using regular Water or Lava breaks the duplication. You must use Glow-Fluid . It has a unique property where it does not destroy crystal blocks.
In-game economies vary. Build at your own risk. The author is not responsible for server bans or in-game inflation caused by overuse of this trap. lovely craft piston trap unlimited money hot
If you use repeaters or delays, the trap will jam. The "hot" method relies on zero delay – the pistons must fire simultaneously due to block-update order. Remove all repeaters. Using regular Water or Lava breaks the duplication