Skye has tests on their site from Chromate, Shimadzu and Janoshik. 

I am not familiar with the different test sites, so I'm wondering if someone else is.. and can provide some insight to the validity of these tests...

I've talked with numerous people on Reddit who recommend Skye.  They have good prices on Sema, Sell Bac water, and seem to have good test results.  I'm eager to get started with my research, and it looks like Skye is a good source.  So I was hoping someone on the forum with experience can comment on my findings.  Thank you!!