Best rubber for Unger Ninja

Hey guys, I am new to this forum and to do the windows cleaning, I was a custodian for many years and of course, I cleaned windows but not really professionally. Now I have the chance to start my windows cleaning business and I have some questions.

  1. I like to use the Unger Ninja but here where I live in South Texas the temperature is really high and I am not sure which rubber to use, I know that should be hard rubber and of course for the wide channel but I am not sure which would have the best cost/performance for the type of environment I am going to use it, also I am starting with storefronts because I know some store owners.
  2. What can I use as an alternative to the ninja for the same situation as a beginner?

Just use a sorbo and black diamond rubber… ninja is garbage

Black diamond :gem:
We use medium/hard in the heat, works very well.
We also use Ninja 40° handles; very hard to beat IMHO. Not a fan of Sorbo; but as I’m sure you know, lot of equipment options are just opinion and what you feel comfortable with.

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