What's this product? Borate?

[ccharleb]

Hello!

I just bought this product and was wondering if there's a way to know what it really is... and how to use it with Pool Math.

Thank you!!
Christian

Jacuzzi SPA Velvet-Up

 

[ajw22]

This site mentions borate but does not say if there are other ingredients in it.

https://www.clubpiscine.ca/en/product/prod-2183-Velours-Plus

We do not recommend that you add unknown chemicals to your pool or spa or where you do not know the effects on your water chemistry.