It is strong enough to handle the tough jobs, safe for your pipes when used correctly, and readily available at your local trade counter. Next time the water starts to rise, don't panic—head to Screwfix, grab the HG, and get your plumbing flowing freely again.
Disclaimer: Always read the label and instructions provided by the manufacturer before using any chemical product. Wear appropriate protective equipment and never mix different drain cleaning chemicals, as this can create toxic fumes. hg drain unblocker screwfix