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STX DIY 4-0-25 Fertilizer

Carbon Based Lawn Fertilizer

STX DIY 4-0-25 Logo
STX DIY (StressX) From Carbon Earth Company is a specialty potassium fertilizer. Potassium plays an important role in plant performance, this product capitalizes on biochar's ability to provide a housing site for potassium ions - meaning potassium where you need it for longer.
STX DIY is formulated for lawns with potassium deficiencies by supplying K in a low salt index form. This product is also great for lawns under stress in summer from heat or those recovering from insect or disease pressure.
This product also contains 4% iron to give the lawn a nice greenup without inducing extra top growth. STX DIY is a great product for summer applications.
Active Ingredient %
Potassium 25.00 %
Sulfur 10.00 %
Carbon 7.00 %
Nitrogen 4.00 %
Iron 4.00 %
Other Ingredients 50.00 %
Available on Yard Mastery

$1.33 / lb
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Not Safe On
No not safe on treatments listed. Please, review the label or contact the merchant for more information.
Mowing Instructions
Do not collect clippings for at least one mowing following application to avoid particle pick up.
Water Instructions
Apply to dry foliage. Water in after application with a minimum of 0.2" to more particles into turf canopy.
Fertilizer & Nutrient Analysis
Broadcast Application
Label Rate:
3 lbs per 1,000 sqft
Fertilizer NPK Ratio:
4 - 0 - 25
Label Rate Nutrient Analysis:
Ingredient % Mass / Area
Nitrogen 4% 0.12 lbs / 1,000 sqft
Potassium 25% 0.75 lbs / 1,000 sqft
Sulfur 10% 0.3 lbs / 1,000 sqft
Iron 4% 0.12 lbs / 1,000 sqft
Carbon 7% 0.21 lbs / 1,000 sqft
Label Rate Cost Effectiveness:
Covers 15000 square feet
at a cost of
$4.00 per 1,000 sqft
Nutrient Mass:
Total Nutrient Cost Analysis:
Ingredient Total Mass Cost / Mass
Nitrogen 1.8 lbs $33.33 / lb
Potassium 11.25 lbs $5.33 / lb
Sulfur 4.5 lbs $13.33 / lb
Iron 1.8 lbs $33.33 / lb
Carbon 3.15 lbs $19.04 / lb

STX DIY 4-0-25 Optimized Application Label Rate Calculator

No Control
Broadcast Treatment:
Grass / Turf Types Safe
Annual Ryegrass
Chewings Fescue
Colonial Bentgrass
Fine Fescue
Hard Fescue
Kentucky Bluegrass
Kikuyu Grass
Perennial Ryegrass
Red Fescue
St. Augustinegrass
Tall Fescue
Jump to CertainLabel™ STX DIY 4-0-25 Label Rates & Calculator for these 18 turf types
Broadcast Treatment
Label Rate:
3 lbs per 1,000 sqft
Cost Effectiveness:
Covers 15000 square feet
at a cost of
$4.00 per 1,000 sqft
Questions & Comments
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CSTEPHENS - Monday, June 14, 2021 05:34 PM

looking for STX DIY 4-0-25 fertilizer I bought from You last year. Can't find it among your current fertilizers for sale