Blocked Drain

[MeAndB]

My sink drain is blocked, Ive tried boiling water/bleach down it. What can I put down that isnt full of chemicals?

Bicarb and vinegar

earth friendly 'drain clear' is good, full of natural enzymes, no chems at all and it works!!
www.ethicalsuperstore.com/products/earth-friendly/earth-friendly-earth-enzymes-drain-cleaner/

I have used this one too but njot sure if you can buy it for yourself
www.ecotopia.co.uk/product/21/bb0018/1ltr-ecover-db-stop-drain-unblocker.html