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I have been using this product for many years and the convenient 4lb size is perfect for my needs. I am a hobbyist but I have about 300 pots of plants and when they go out for the summer, I feed them with this specific fertilizer. When it's time for them to come inside, I notice how big and big and healthy they've grown. I very highly recommend this fertilizer.
Verified purchase: Yes | Condition: New
Just as described, good size option, since difficult to find 20 20 20 locally.
Verified purchase: Yes | Condition: New
This greens plants up quickly. It has trace minerals as well.
Verified purchase: Yes | Condition: New
Jack's Classic 20-20-20 is a proven winner when used for specific plant species. I disagree with the marketing tactic to call it "All Purpose", however.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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