Phast Cal is a premium calcitic lime formulated to quickly raise soil pH in lawns and landscape beds where soil tests indicate acidic conditions.
Proper soil pH is essential for nutrient availability. When pH is too low, grass cannot efficiently absorb nitrogen, phosphorus, and potassium — even if those nutrients are present in the soil.
When to Use Phast Cal
Soil test indicates pH below optimal range
Lawn struggles despite proper fertilization
Acidic soils common in your region
Always confirm pH levels with a soil test before applying lime.
Why Choose Fast-Acting Calcitic Lime?
Raises soil pH more quickly than standard pelletized lime
Calcium-based formula to improve soil balance
Improves nutrient availability
Supports stronger root development
Unlike dolomitic lime, calcitic lime focuses primarily on correcting calcium deficiencies and raising pH without significantly increasing magnesium levels.
Enhanced with Humic Acid & Sea Kelp
2% Humic acid to support soil structure and microbial activity
1% Sea kelp to assist nutrient uptake
These additions help improve overall soil health beyond simple pH correction.
Application Guidelines
Apply according to soil test recommendations. Rates vary depending on current pH and target levels.
Water in after application for best results.
Phast Cal provides a faster, more targeted approach to soil pH correction compared to standard pelletized lime products.
Details
Key
Value
Special Features
Increases soil PH much faster than dolomitic lime. Plus it contains 2% Humic Acid and 1% Sea Kelp for extended soil benefits.
Application Rate
5lbs. per 1000 sq. ft. to maintain soil ph
1 bag covers 10,000 sq. ft.
10lbs. per 1000 sq. ft. to increase soil ph
1 bag covers 5,000 sq. ft.
Time to Apply
Spring,
Summer,
Fall,
Winter
Waiting Period to Seed
None
Delivery System
Granules
Brand
Lawn Synergy
For Use In
Turf Grass,
Landscape Beds
Frequently Asked
How long does it take to increase the soil’s ph?
pHast Cal includes bio-stimulants like Sea Kelp and Humic Acid for increased plant uptake of nutrients. The restorative effects of kelp on plants is largely due to high levels of cytokinin, a natural growth hormone that promotes cell division in plants, resulting in root and shoot growth, improved photosynthesis and overall improvement in plant health. All natural bio additives increase the population of soil microbes, which increase nutrient efficiency and build healthier soils that store nutrients for the plant.
What’s the difference between regular lime and pHast Cal Lime?
Regular lime is dolomitic limestone which is still good but it will take 10x more and it will work much slower. pHast Cal lime contains calicatic lime which works much faster and is 10x more concentrated. Also pHast Cal contains Kelp and Humics which increases plant uptake of nutrients.
Should I perform a soil test before applying pHast Cal Lime?
You should perform a soil test to see if your ph needs to be increased. If so, follow the application rate instructions to increase ph. However, pHast Cal is great for just a maintenance application once a year.