Grannysweed Blog
Here is our spot for everyone who not only consumes cannabis but also wants to understand it. Guides, tips, and knowledge from everyday headshop life – directly from Grannysweed.
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PPFD Meter Test 2026: The Best PAR Meters Compared
Find the right PPFD meter for your budget! Our comparison shows which PAR meters are really worthwhile - from affordable apps to professional devices. Save electricity & maximize yields! -
PPFD and DLI in Cannabis Cultivation: Professional Lighting Planning
Discover how PPFD and DLI maximize your cannabis yield. Learn the optimal light levels for each growth stage and practical measurement methods for your indoor grow. -
Cannabis Too Much Light: Recognize and Treat Light Stress in Your Plants
Learn how to recognize too much light in cannabis and avoid light stress and light burn in your plants. Tips for identification and gentle treatment of light stress. -
Best Grow Soil Test 2026: The Top 6 Substrates for Your Plants
Looking for the best grow soil for your plants? Our test compares the top substrates for cannabis. Find the perfect soil for optimal results!
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The Best Cannabis Grow Books 2026 – Top Grow Books for Beginners & Pros
Discover the best cannabis cultivation books 2026. Top grow books for beginners & pros – indoor, outdoor & homegrow easily explained. Find your perfect cannabis book! -
Grow Lamp Test 2026: Comparing the 6 Best LED Models
Our grow light test shows the best LED models for optimal plant growth. Compare the performance, spectrum & efficiency of top brands for your indoor garden.
