Regarding the influence on corrosion, I do not know. Seems to me corrosion is generally because of steel transfer from a lack of the use of coolant or other corrosion inhibitors, not a reduction in water flow. But I am no chemist... The most recent variations of each. This is https://garrettztoua.bloggactif.com/38894979/the-smart-trick-of-buy-methandienone-powder-online-that-no-one-is-discussing