Gunk M506 Concentrated Windshield Washer Solvent: Powerful Ammonia Formula - 6 fl. oz, Blue Review

Very happy with this bottle of wiper fluid. Love condensed so I can put this bottle in a full tank of water and you're done. No more lugging a huge gallon of blue liquid into the car to fill the tank. Leaves the window spotless! Couldn't have asked for a better product and the price is right.

It's just stupid. Makes about 1 gallon of washer fluid. Buying this will add an extra step to fill and mix the pitcher. I bought it maybe to do 2 for 1 but one ounce literally makes 1 gallon of washer fluid and an 8 ounce bottle. You can also just buy a ready made jar which will probably be cheaper than this thing.

Fairly good for removing light to medium dirt on windshields. However, if you drive through a swarm of flies on the freeway near a dairy farm or park under a bird tree and the sun burns bird droppings onto your windshield, all you have to do is get your windshield dirty. I've used better washer fluids than this but it's ok for the price.