Homebrew PCBs

> H2O2 is sold as pool chemical (for oxygen based systems), usually as 25%
> under different brand names. HCl should be available as pool chemical too,
> although here it is only used for public pools, private ones use a dry
> substance instead.

In the city of york I know 0 ppl with pools, in the village I grew up
in, 0, in my brother in laws town, 0....................

Our BEST kitchen / household chemical suppliers are...........

http://www.maplin.co.uk/

http://www.asda.co.uk/

http://www.boots.co.uk/

they sell things like kitchen worktop cleaner, products based on 'citrus power'

Doing a search I have found it de-scales ? is this right ? if so maybe
its used in de-scaling products designed to be dropped into the toilet
bowl and left overnight...........
box says 5%(oxygen based bleaching agent, anionic surfactants,
polycarboxylates), 95%other ingrediants

I have however found this..........
https://www.helios.co.uk/cgi-bin/store.cgi?action=link&sku=Muri-ac&uid=1762