1L of Pro-Kleen Sink & Drain Blitz - Plughole, Sink & Drain Unblocker - Super Strength Formula

I used this for my toilet & it worked like a charm. I poured it in before bedtime & by the next morning after pouring warm water to finish the job off - my toilet was back to proper working order. Thank you.

This is the only one that has worked for me. Had a bathroom sink blockage and used another 3 different brands before this one - it’s the best!

It worked after a fashion

Didn’t really work

Tried Mr Muscle, various salts... This stuff works in 20 minutes. Does exactly what it says on the tin. Absolutely fantastic stuff. Just works. Drain is better then it was before the clog happened... If that's possible... Must have cleaned the entire pipe!

Impressed. Every time I took a shower in the tub, I was left standing in 3 inches of water when the shower was turned off. Then had to wait 15 minutes for the water to go down the drain. Not any more. One 250ml measure poured down the drain, left overnight, then drained away and, voila, no more waiting 15 minutes for the water to drain away. Excellent.

I had a very slow drainage flow and tried 2 products from the supermarket but it was just the same. Checked out the reviews from other users and this worked like a charm. Left it over night for better results and it was all gone like a whirlpool. Thank you Pro-Kleen.

This was awful, it was supposed to unblock and be extremely strong however it was weaker than water. In fact it has added to the liquid in the drain which isn’t budging. Absolute waste of time and totally not what it says it is.