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  • Bonide 705 Aluminum Sulfate, 4-Pound
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Bonide 705 Aluminum Sulfate, 4-Pound

by Bonide
| 6 answered questions

Price: $11.96 & FREE Shipping on orders over $35. Details
Only 8 left in stock.
1
  • 4 lb. Aluminum Sulfate
  • This helps to lower soil pH for acid loving plants
  • Designed for plants like azaleas, camellias, gardenias, hemlock holly, cedar, blueberry, and etc.
  • Formula turns hydrangeas blue
  • Works well in all soil types
28 new from $6.43

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Frequently Bought Together

Bonide 705 Aluminum Sulfate, 4-Pound + Luster Leaf 1612 Rapitest pH Soil Tester
Price for both: $18.36

Buy the selected items together


Product Details

Package Quantity: 1
  • Product Dimensions: 6.5 x 2.5 x 9 inches ; 4 pounds
  • Shipping Weight: 4.2 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B000BZ4RJY
  • Item model number: 705
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (27 customer reviews)
  • Amazon Best Sellers Rank: #26,848 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Package Quantity: 1

4 lb. Aluminum Sulfate. This helps to lower soil pH for acid loving plants. Designed for plants like azaleas, camellias, gardenias, hemlock holly, cedar, blueberry, and etc. Formula turns hydrangeas blue. Includes easy to follow chart. Works well in all soil types.

Customer Reviews

Thanks too for the quick service!
DasBlondeBiest
Works well to turn hydrangea blooms blue by adding aluminum and by lowering the pH.
dogbone
I recommend its purchase to other hydrangea growers.
mjphyjr

Most Helpful Customer Reviews

25 of 26 people found the following review helpful By Steven W. Graff on December 12, 2007
Item Package Quantity: 1 Verified Purchase
I have read it is hard to get unpotted Hydrangeas to bloom blue or purple, this did the trick. I would not get over zealous and try to go heavier than recommended, I have had better success when I reduce the recommended dose slightly but increase the frequency to every few weeks.
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14 of 16 people found the following review helpful By lalvarad on July 9, 2010
Item Package Quantity: 1 Verified Purchase
Prior to buying this product, I bought some "soil acidifier" at one of the big chains. The packaging said safer than aluminum sulfate. I applied the product over several weeks and my pH never dropped below seven. I don't know if it's due to the limestone in Florida. I used this product and testing it a couple days later the pH had gone down. My hydrangeas are getting ready to bloom again and I'm hoping to get some blue.
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7 of 7 people found the following review helpful By mjphyjr on September 5, 2010
Item Package Quantity: 1 Verified Purchase
The product was exactly what it was as advertised by amazon.com, and served the purpose it was purchased for, aiding in turning hydrangea blooms a brighter blue. I recommend its purchase to other hydrangea growers.
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6 of 6 people found the following review helpful By BeachRabbit on February 10, 2013
Item Package Quantity: 1 Verified Purchase
I use this every year for a yard full of hydrangeas. It works to keep them nice and blue. Follow directions explicitly.
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8 of 9 people found the following review helpful By Amazon Customer on July 20, 2010
Item Package Quantity: 1 Verified Purchase
I got this for my blueberry bush, because it looked like it needed some help. It is now looking better, after application of the aluminum sulfate. I felt fortunate to find the aluminum sulfate on Amazon.com!
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3 of 3 people found the following review helpful By Christine Olsen on April 14, 2011
Item Package Quantity: 1 Verified Purchase
It worked. Used on 2 hydrangea bushes in the Spring. Formerly pink blooms came in blue. Yea! Highly recommend. Will continue to use each Spring.
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2 of 2 people found the following review helpful By Floyd R. Turbo on August 17, 2013
Item Package Quantity: 1 Verified Purchase
This is the best product to use on plants that need a more acid soil. It works quick and my plants have new vigor.
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1 of 1 people found the following review helpful By Kenneth Lehmann on September 15, 2013
Item Package Quantity: 1 Verified Purchase
It seems to work. what more can you say about this product. I did have to add more product than I first thought
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