Anyone ever tried Earth Dust from the Green Sunshine Company?

Just wondering if anyone had tried Earth Dust base, & Earth Dust Boost dry ammendments from The Green Sunshine Company? I'm currently using Giga Green 444 & 284 but can't hardly get these in U.S. unless you pay more for the shipping than the product cost. So any alternative that is close to Giga Green that anyone knows about please share. Thanks stay safe.
 
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