Poor customer care

Slushie machine broke after being used less than 10 times and was less than a year old. All product used in the machine was purchased from Soft Ice. The reason the workshop gave for the gears on the machine breaking was due to use of low sugar concentration in the slushie mix. I explained to Werner the workshop manager that they (their sales staff) had admitted to having a problem with their blue mix (Rasberry) and that was the mix that we had used in the machine when the gears were broken. I requested that they reduce the cost of repair as the fault was not on my side entirely and was refused. I asked to escalate my complaint to the owner of the company as told told no. I will buy from an alternative supplier in the future.