Good morning ,we used an additive just like the one in the link .
I lived in Calgary Canada for a few years and this was a must and from own
experience this does work well.
Please click here
Work very well and the write up will explain how this works .
Still need additional information then please get back to me with the reply button, and not the poor or bad service, this way i can get back to you or suggest another expert if needed.
Your deposit does not pay me until the answer is rated in a positive way,A bad rating does not constitute a refund.If you are not happy or you have sorted out your problem before the answer then please let me know with the reply button .Kind regards Greg.