Charge the ethylene glycol monobutyl ether, Avanel S-70, and most of the water. Dissolve the dye in the portion of the water charge held out and add to the product. Adjust pH to 3.5-4.0 with acetic acid. Notes: On prolonged storage glycol ethers have been shown to form peroxy compounds which can adversely affect the dyes normally used in glass cleaners. This formulation is also effective on surfaces other than glass normally found in the home such as counter tops and painted surfaces.
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