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General Hydroponics PH 4.01 Calibration Solution for Gardening, 8-Ounce

4.6 out of 5 stars 475 customer reviews

List Price: $8.95
Price: $7.40 Free Shipping for Prime Members
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Calibration Solution
8 Ounce
    This fits your .
  • Make sure this fits by entering your model number.
  • General Hydroponics uses the highest quality electronic meter reference solutions
  • Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale
  • General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used

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Frequently bought together

  • General Hydroponics PH 4.01 Calibration Solution for Gardening, 8-Ounce
  • +
  • General Hydroponics Ph 7.0 Calibration Solution - 8 Ounces, 1 bottle
Total price: $14.89
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Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (475) 4 out of 5 stars (178) 5 out of 5 stars (138) 4 out of 5 stars (37) 4 out of 5 stars (131) 4 out of 5 stars (297)
Price $7.40 $12.30 $13.97 $8.95 $12.95 $14.66
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Xtreme Hydro Amazon.com Amazon.com Amazon.com Amazon.com
Item Dimensions 1.3 x 6 x 1.8 in 8 x 4 x 4 in 3.2 x 3.3 x 9 in 1.2 x 6.1 x 1.9 in 3.2 x 3.3 x 9 in 3.3 x 8.6 x 3.2 in

Product description

Style:Calibration Solution  |  Size:8 Ounce

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.


Product information

Style:Calibration Solution  |  Size:8 Ounce

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Rated by customers interested in
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4.6 out of 5 stars
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Top customer reviews

October 10, 2014
Style: pH Testing|Size: 1 Ounce|Verified Purchase
11 people found this helpful
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January 28, 2016
Style: pH Testing|Size: 8-Ounce|Verified Purchase
4 people found this helpful
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September 30, 2014
Style: pH Testing|Size: 1 Ounce|Verified Purchase
8 people found this helpful
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April 4, 2017
Style: pH Testing|Size: 1 Ounce|Verified Purchase
3 people found this helpful
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May 6, 2015
Style: pH Testing|Size: 8-Ounce|Verified Purchase
3 people found this helpful
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April 3, 2017
Style: pH Testing|Size: 1 Ounce|Verified Purchase
August 18, 2013
Style: pH Testing|Size: 1 Ounce|Verified Purchase
16 people found this helpful
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January 14, 2016
Style: pH Testing|Size: 1 Ounce|Verified Purchase
One person found this helpful
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