Latest from the SoilTune Blog

Expert guides, product comparisons, troubleshooting tips, and the latest in precision agronomy.

Active filters: Sort: Most Popular Clear filters

Chris Taylor 11 min read

How to Change Hydrangea Color: The Science-Backed pH & Aluminum Method

Learn how to change hydrangea color using soil pH and aluminum. Step-by-step guides for blue & pink blooms.

Read Article
Leslie Johnson 12 min read

Lawn Soil pH Test Kit: Complete Testing & Correction Guide

Learn how to test lawn soil pH with our step-by-step guide. Compare test kits, diagnose turfgrass problems & get exact sulfur/lime rates for your soil...

Read Article
Landon Gheer 11 min read

Ferrous Sulfate for Plants: Fix Iron Chlorosis & Soil pH

Learn how to use ferrous sulfate for plants to cure yellow leaves from iron chlorosis. Get exact mixing ratios, foliar vs soil steps, and chelation...

Read Article
Chris Taylor 11 min read

The Definitive Soil pH Chart: Crop Ranges & Nutrient Availability

Free pH chart for soil with crop-by-crop ranges, the Truog nutrient availability curve, and texture-based lime & sulfur dosages to fix acidity fast.

Read Article
Chris Taylor 10 min read

How to Make Soil Acidic for Blueberries (Safe Science Guide)

Learn how to make your soil acidic for blueberries (pH 4.5-5.5). Get exact elemental sulfur rates by soil type and avoid aluminum toxicity.

Read Article
Leslie Johnson 12 min read

Aluminium Sulphate for Hydrangeas: The Exact Doses, Timing & Safety Steps to Get Blue Blooms (Without Burning Your Plants)

Aluminium sulphate hydrangeas dosing made simple: exact grams by soil pH, spring timing & root-burn rescue steps for true blue blooms. Free sheet inside.

Read Article
Leslie Johnson 10 min read

How to Use Aluminum Sulfate to Lower Soil pH (Safely & Quickly)

Aluminum sulfate for soil pH works in days, not months. Get exact dosages, toxicity thresholds, and a speed-vs-safety matrix before you apply.

Read Article
Chris Taylor 11 min read

Elemental Sulphur Fertilizer vs. Sulfate: Forms, Rates & Uses

Compare elemental sulphur fertilizer and sulfate sulfur. Learn the difference between elemental sulfur powder, pelletized sulfur for lawns, and bulk applications.

Read Article
Landon Gheer 29 min read

How to Use Sulfur to Lower Soil pH: The Definitive Guide & Calculator Hub

Learn the fastest way to lower soil pH with sulfur. Discover the Microbe Multiplier Method to activate soil bacteria and acidify soil in weeks, not...

Read Article
Leslie Johnson 5 min read

Can You Apply Fertilizer and Lime at the Same Time? The Chemistry Explained

Can you apply fertilizer and lime at the same time? Learn the chemistry behind mixing them, which fertilizers are safe, and how to avoid wasting...

Read Article
Leslie Johnson 17 min read

The Best Time for Lime on Lawn: A Soil-Temperature Guide

Discover the best time for lime on lawn and when to use lime in the garden. Our USDA zone guide reveals the 50°F soil temp...

Read Article
Chris Taylor 10 min read

Applying Lime to Garden Soil: The Safe Application Guide & Rate Matrix

Applying lime to garden soil? Get exact rates by soil type, avoid hydrated lime dangers, and fix pH safely with our free matrix.

Read Article