DIY Concrete Densifier

Whipped up a batch of sodium silicate and attempted to densify and polish a slab of concrete. I also tested it for stain resistance. To make a sodium silicate solution : - Dissolve 8 grams NaOH (Lye) in 10 ml H2O - Dissolve 6 grams Silica Gel in NaOH solution with heat - Once dissolved, dilute to use. I did a 1 in 4 dilution but that might not be optimum. Good luck!

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