DIY Soil pH Test – Fast, Easy & Effective! Want to check your soil’s acidity or alkalinity right on your farm without fancy tools? Here’s a quick home method: Collect Soil Samples – Scoop a bit from different parts of your farm. Use Vinegar & Baking Soda – - Add vinegar to a soil sample. If it fizzes, your soil is alkaline. - Add baking soda to another sample mixed with water. If it fizzes, your soil is acidic. Once you know your soil’s pH, it’s time to fix it! BlackEarth by Osho Chemical Indust