How to Clean and Reuse Clay Pebbles (LECA): Complete Guide
Home > Hydroponics > How to Clean and Reuse Clay Pebbles (LECA): Complete Guide Last Reviewed: August 25, 2026 | Author: Faisal Habib | Fact-Checked: Lab and Field Verified | Expert Reviewer: Wara Danish, MSc Plant Biology Difficulty: Beginner Friendly | Cleaning Time: 2–4 hours | Lifespan: 5–10+ Years (Indefinite) | Sanitizer: 3% Household H2O2 | Target Leachate EC: <0.1 mS/cm ⚡ Quick Answer: How to Clean and Reuse Clay Pebbles Clean clay pebbles by sifting out dead root debris, soaking in 3% household hydrogen peroxide for 2 to 4 hours to eliminate pathogens, descaling mineral crusts in a pH 5.0 water bath for 1 hour, and rinsing with clean…