I brought ZYH to discord and vetted them in my server a few months back. In the beginning there was under fill and some slightly low purity tests but after 2 Gb’s their fill and purity became excellent. Probably the highest purity on a consistent bases I’ve seen from a vender. They are now being...
I've received 2 shipments and waiting on my 3rd now. I have been using their Tirz for 2 months with no problems.. Hopefully there will be some testing done soon
I never tested mine but I'm guessing any PH up or down solution would work. The only thing I could think of was test strips and PH liquid for aquariums.
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