Wisk - really gets white/grey horses/markings white, but make sure and rinse thoroughly
Simple Green - use to remove those stubborn grass stains.
WD40 - use to put a shine on manes/tails in show ring, also good for getting out burrs and pine sap.
Old fashioned 'Blueing' - a few drops in water to whiten coats and tails.
Vinegar - put in horses feed for natural fly repellant/shiny coat.
Fly Spray: - 2 cups white vinegar, 1 Cup Avon Skin So Soft bath oil (original), 1 Cup water and if you can get it 1 Tablespoon eucaliptus oil. Mix in a spray bottle.
Mane and Tail Detangler: - Mix 1part calgon bath oil beads (dry) to 3 parts water in a spray bottle.
Listerine - Douse the whole tail from top to bottom twice a day. Works great for itchy tails and it helps repel bugs and soothes itchy, irritated skin. Works on manes too!
Liniment: - 2 pints clear alcohol, 2 pints wintergreen alcohol, 2 pints witch hazel, 1/2 bottle store-bought equine liniment. Pour all ingredients into a clean gallon container, top off with white vinegar.