Spa dosage chart

Use the following charts to determine the right amounts of Kem-Tek products for your spa.
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Spa capacity in gallons 100 200 300 400 500 600 700 800 900 1000
pH Minus: read label directions for use. Do not add more than amounts listed below at one time.
Ounces 1 2 3 4 5 6 7 8 9 10
pH Plus (amount required to raise pH 2/10 (0.2)
Heaping tbsp required to raise pH 0.2 1 2 3 4 5 6 7 8 9 10
Brominating Tablets
Tsp required to raise 1.0 ppm .1 .2 .3 .4 .5 .6 .7 .8 .9 1
Tsp required to shock 1 2 3 4 5 6 7 8 9 10
Liquid Shock
Ounces required to shock 1 2 3 4 5 6 7 8 9 10
Algaecide
Initial dosage (ounces) 1 2 3 4 5 6 7 8 9 10
Weekly treatment (ounces) .25 .5 .75 1 1.25 1.5 1.75 2 2.25 2.5
Visible algae growth (ounces) 2 4 6 8 10 12 14 16 18 20
Foam Inhibitor: use as needed to control foam
Stain and Scale Inhibitor
Initial dosage (ounces) 2 4 6 8 10 12 14 16 18 20
Every two weeks (ounces) 1 2 3 4 5 6 7 8 9 10
Water Clarifier
Ounces .25 .5 .75 1 1.25 1.5 1.75 2 2.25 2.5