Add another to activate the enzymes. Leave for 6 to 8 hours (ideally overnight) before rinsing. For Stubborn "No-Flow" Blockages Fill the sink or basin with warm water . Add 500ml of the HG liquid unblocker . Leave it overnight and rinse with warm water the next day. Product Comparison HG Drain & Plug HG Kitchen Drain Best For Hair, soap, toothpaste Grease, fat, food waste Action Time 30 Minutes 6 - 8 Hours Septic Safe Active Base Natural Enzymes
While Screwfix also sells cheaper own-brand unblockers (like No Nonsense Drain Unblocker), the HG version consistently ranks higher for sheer dissolving power. If your drain is completely dead, the extra £2 for the HG gel is a wise investment. hg drain unblocker screwfix
💡 Always store and transport the bottles upright . Wear gloves when handling chemical unblockers, and avoid use on aluminum or zinc surfaces as they can cause damage. HG Drain & Plug Unblocker 1Ltr - Screwfix HG Kitchen Drain & Plug Unblocker 1Ltr - Screwfix Add another to activate the enzymes
: Uses natural enzymes and microbes to break down grease, oil, and food remnants. It is biodegradable and safe for septic tanks. How to Use HG Unblockers Add 500ml of the HG liquid unblocker