Verdict

We think this product remains a popular choice for encouraging healthy, prolific plants and flowers, but be aware that recent changes in its formula and color might raise doubts about its consistency. If you value a consistent, proven blue fertilizer, you might want to consider other highly-rated options or look into similar products that haven't changed their formulation. For many users, the effectiveness still appears to be there, despite the visual shift.

Top pro:
Highly effective for encouraging large, healthy houseplants with dramatic growth
Top con:
The product no longer produces its iconic deep blue color, now appearing as an extremely pale green
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Pros

  • •Highly effective for encouraging large, healthy houseplants with dramatic growth
  • •Suitable for a variety of houseplants, including snake plants and parachute plants
  • •Easy to use and consistently produces impressive results
  • •Adds significant volume and fullness to indoor plants, sometimes transforming them into bushes
  • •Supports rapid root growth and vibrant blooms and vegetables in both indoor and outdoor gardening
  • •Helps accentuate natural colors and shapes of plants, enhancing their overall appearance
  • •Available in a large size, suitable for frequent use
  • •Encourages healthy root and tuber development, leading to larger tubers and blooms
  • •Recommended by many users as an essential product for indoor and outdoor plants
  • •Suitable for difficult-to-grow plants like orchids and Ukrainian Violets

Cons

  • •The product no longer produces its iconic deep blue color, now appearing as an extremely pale green
  • •Several users report that it seems ineffective this year, with results comparable to watering with plain water
  • •Customer service responses have been unhelpful, with no replies despite multiple attempts to contact
  • •Repeated purchases have led to disappointment due to inconsistent quality and change in formula
  • •The color change causes emotional disappointment due to nostalgia and personal preference
  • •Difficulty finding the original formula and color through major retailers, with the issue persisting across different sellers
  • •The change in appearance may cause skepticism about its effectiveness, even if it still works for many
Lowest at Amazon
$28.49 at Amazon
Price seen Oct 27, 2026

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How we researched this

About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Oct 27, 2026.

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