| Do | Don’t | |----|-------| | Wear gloves and goggles | Use in aluminum or galvanized pipes | | Use cold water only | Mix with other chemicals (bleach, acid, ammonia) | | Add crystals to water (never water to crystals) | Pour near boiling water after application | | Wait 15–60 minutes | Plunge immediately (risk of splashing) | | Flush with cold water | Leave overnight in old pipes |
Caustic soda is a potent, fast-acting solution for clearing organic drain blockages, particularly grease and hair. When used correctly with strict adherence to safety protocols (PPE, cold water, ventilation, compatible pipes), it can restore drainage within an hour. However, its high risk of chemical burns, pipe damage, and environmental harm makes it a last-resort option after mechanical methods (plunger, snake) have failed. For homeowners without chemical handling experience, biological cleaners or professional assistance are safer alternatives. In all cases, prevention remains the most effective and safest strategy. unblock drain with caustic soda
Before starting, ensure the area around the drain is clear. | Do | Don’t | |----|-------| | Wear