EZ Self Leveling Underlayment. Leveling a Badly Cracked Floor! DIY

I got my EZ self leveling underlayment at Menards. I'm sure it's sold at other hardware stores.

Spiked shoes for walking in mix: https://amzn.to/46yv2FB

Kraft tools rake gauge leveler: https://amzn.to/3XBybka

Check out mixing tools here: https://amzn.to/3NSZOAP