I have been dealing with blackstone for over 2 years now. they have always charged me $16. 00 even the one I send mid Devcember and was invoiced for on Dec 31st. The sample I sent in in Jan was invoiced at $17. 00. Has anyone else received a price increase??? If so, How much??.
Are there any recommendations for a good oil analysis company at a lower price, or volume discount?
Are there any recommendations for a good oil analysis company at a lower price, or volume discount?