Installation Guide

Check results with the pH levels of a few popular plants:
Vegetables pH Range Fruits pH Range
Beans 6.0 - 7.5 Apple 5.0 - 6.5
Cabbage 6.0 - 7.5 Blueberry 4.0 - 6.0
Carrot 5.5 - 7.0 Cantaloupe 6.5 - 7.5
Lettuce 6.0 - 7.0 Raspberry 5.0 - 7.5
Onion 6.0 - 7.0 Rhubarb 5.5 - 7.0
Tomato 5.5 - 7.5 Strawberry 5.0 - 7.5
Potato 4.5 - 6.0 Watermelon 5.5 - 6.5
Turfgrasses pH Range Flowers & Shrubs pH Range
Bahiagrass 6.5 - 7.5 Chrysanthemum 6.0 - 7.0
Bermuda Grass 6.0 - 7.0 Daffodil 6.0 - 6.5
Canada Bluegrass 5.5 - 6.5 Heath 4.5 - 6.0
Centipedegrass 4.5 - 5.5 Hydrangea blue 4.0 - 5.0
Kentucky Bluegrass 6.0 - 7.0 Hydrangea pink 6.0 - 7.0
St. Augustine Grass 6.5 - 7.0 Rhodo & Azalea 4.5 - 6.0
Tall Rescue 6.0 - 7.0 Carnation 6.0 - 7.5
ADJUSTING SOIL pH
Material pH Change Sandy Loamy Clay
Dolomitic or calcic limestone +0.5 unit (0.5 pH) 2.5 5 5.5
+1 unit (1.0 pH) 5 8.5 11
Hydrated Lime +0.5 unit (0.5 pH) 1.5 - 2 3 - 4 4 - 4.5
+1 unit (1.0 pH) 3.5 - 4 6 - 6.5 8 - 8.5
Iron Sulfate -0.5 unit (0.5 pH) 0.75 1.5 2
-1 unit (1.0 pH) 1.5 3 4
Aluminum Sulfate -0.5 unit (0.5 pH) 0.5 - 0.75 1 - 1.25 1.5
-1 unit (1.0 pH) 1 - 1.25 2.25 3
Amounts listed are pounds per 100 square feet. *Do not add more than
5lbs. of lime or sulfur in one application.
RECOMMENDATIONS FOR N, P AND K RESULTS
Very Low Low Medium High
N P K N P K N P K
Lawn 22 - 22.5 0.75 - 1 4.75 - 5 14 - 14.5 1 - 1.5 2.25 - 2.5 3.75 - 4 0 0 N/A
Fruit 14 - 14.5 6.5 13.5 - 14 7.75 - 8 4 - 4.25 8.75 - 9 3.75 - 4 2.25 4.75 - 5 N/A
Flower 14 - 14.25 6.5 13.5 - 14 7.75 - 8 4-4.25 8.75 - 9 3.75 - 4 2.25 4.75 - 5 N/A
Shrub-flower 14 - 14.25 8.25 - 8.5 13.5 - 14 7.75 - 8 4 - 4.25 8.75 - 9 3.75 - 4 1 - 1.25 7.75 - 5 N/A
Shrub-foliage 22 - 22.5 10.5 - 10.75 8.75 - 9 14 - 14.5 5.25 - 5.5 4.75 - 5 3.75 - 4 2.25 2.25 - 2.5 N/A
Veggie-root 14 - 14.25 12 - 12.25 8.75 - 9 14 - 14.5 5.25 - 5.5 4.75 - 5 3.75 - 4 3 2.25 - 2.5 N/A
Veggie-leafy 28.25 - 29 10.25 8.75 - 9 14 - 14.5 5.25 - 5.5 4.75 - 5 7.75 - 8 2.25 2.25 - 2.5 N/A
Tree 14 - 14.5 10.25 8.75 - 9 7.75 - 8 5.25 - 5.5 4.75 - 4 3.75 - 4 2.25 2.25 - 2.5 N/A
General Feed 22 - 22.5 8.25 - 8.5 8.75 - 9 10.5 - 11 4 - 4.25 4.75 - 5 3.75 - 4 1 - 1.25 2.25 - 2.5 N/A
The amounts in chart are in oz. /100 sq. ft. (Ounces referred to are by weight,
not volume.)
The recommendations are based on the following fertilizers sources: Nitrate of Soda
(16% N), Triple Superphosphate (46% P2O5) and Muriate of Potash (60% k20).
Look for the larger #1601 Rapitest Soil Test Kit with
the patented color comparator testing system.