"Dave Liquorice" writes:

On Sun, 18 Aug 2013 02:18:42 GMT, Windmill wrote:

It's not so easy to decide which brand has the highest concentration.
Seems to have been made a little obscure, perhaps on purpose.

It ought to be in the small print of ingredients as g/l.

Hard to locate, though, and then you have to decide if 6 sachets
containing 7g/l., to be diluted with X litres of water and allegedly
capable of treating 50 sq. metres and costing 9.99 is better than 20
sachets ... or .... and so on.

Probably easier the second time you buy.

--
Windmill, Use t m i l l
J.R.R. Tolkien:- @ S c o t s h o m e . c o m
All that is gold does not glister / Not all who wander are lost