The first couple batches I did with water wash were a disaster. Ended up with water in the bio and having to drain the fuel bowl every couple of days. Since going to Magnesol, have never had an issue with having to drain the fuel bowl after having the light come on. Just my experience....
Trent - 2003 Excursion (Eddie Bauer) 4X4, 7.3, Hellvig antisway bar, 6637 intake mod, 4" MBRP w/ 5" tip, DP tuner, IH up-pipes, redhead steering box, 6.0 trans cooler, ISSPRO & Aeroforce gauges in A-pillar, Wicked Wheel, "Bullet Proof" Transmission rebuilt by Rapid Diesel, extra leaf spring added all around, more to follow! Gone BIO!!!
2002 TDI New Beetle - also likes Bio.