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Thus, “dissolves” in consumer terms means “breaks down enough to no longer clog.” | Pipe Type | Lye (NaOH) | Bleach (NaOCl) | Acid (H₂SO₄) | |-----------|------------|----------------|---------------| | PVC / ABS | ✅ Safe (moderate heat) | ✅ Safe | ⚠️ Risk: heat can warp | | Copper | ⚠️ Possible pitting over time | ⚠️ Corrosive | ❌ Dissolves copper | | Galvanized steel | ✅ OK | ✅ OK | ❌ Rapid corrosion | | Cast iron | ✅ OK | ⚠️ Can degrade old seals | ⚠️ Risk of hydrogen gas | | Old (1930s) brass | ⚠️ Moderate | ⚠️ Moderate | ❌ Dezincification |

The City of Greater Sudbury is located on the Traditional Territory of Atikameksheng Anishnawbek and Wahnapitae First Nation who are signatories to the Robinson Huron Treaty of 1850.

Read our full land acknowledgement

What Dissolves Hair In Drain Review

Thus, “dissolves” in consumer terms means “breaks down enough to no longer clog.” | Pipe Type | Lye (NaOH) | Bleach (NaOCl) | Acid (H₂SO₄) | |-----------|------------|----------------|---------------| | PVC / ABS | ✅ Safe (moderate heat) | ✅ Safe | ⚠️ Risk: heat can warp | | Copper | ⚠️ Possible pitting over time | ⚠️ Corrosive | ❌ Dissolves copper | | Galvanized steel | ✅ OK | ✅ OK | ❌ Rapid corrosion | | Cast iron | ✅ OK | ⚠️ Can degrade old seals | ⚠️ Risk of hydrogen gas | | Old (1930s) brass | ⚠️ Moderate | ⚠️ Moderate | ❌ Dezincification |