[mjm]

while iam on here I ueually mix 1 to 4  mix hypo      so I get  for a 25 drum  5 barells   of mix  are you mixing like this are are you using neat 

[Smudger]

Depends on the stain - black spot tends to require a stronger solution - but in general that ratio is good for general cleaning

Darran

[mjm]

Thanks