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Luster Leaf 1845 Rapitest Digital Soil pH Meter (New for 2017)

2.1 out of 5 stars 113 customer reviews

Price: $9.18 & FREE Shipping on orders over $49. Details
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  • New and improved 2017 version
  • Easy to read digital output
  • Instantly measures acidity or alkalinity level
  • Includes printed plant list
  • Product specifically designed to be used only in soil
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$9.18 & FREE Shipping on orders over $49. Details Only 9 left in stock. Sold by Fat Happy Pets and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • Luster Leaf 1845 Rapitest Digital Soil pH Meter (New for 2017)
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  • Luster Leaf 1825 Rapitest Digital Moisture Meter
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  • Luster Leaf 1601 Rapitest Soil Test Kit
Total price: $30.91
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Product Information

Item Package Quantity:1

Technical Details

Brand Luster Leaf
Item Weight 3.2 ounces
Product Dimensions 5 x 2 x 14 inches
Item model number 1845
Manufacturer Part Number 1845

Additional Information

ASIN B0032WFD5K
Customer Reviews
2.1 out of 5 stars 113 customer reviews

2.1 out of 5 stars
Best Sellers Rank #14,899 in Automotive (See top 100)
#35 in Patio, Lawn & Garden > Gardening > Gardening Tools > Soil Test Kits
Shipping Weight 4 ounces (View shipping rates and policies)
Date First Available January 5, 2010

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Product Description

Item Package Quantity: 1

PLEASE NOTE: This product has been recently improved to live up to the high standards of Luster Leaf Products. The #1845 Digital Soil ph Meter will simply and effectively measure the pH level in your garden or lawn soil. Extensive, yet simple instructions are included. A full list of plant pH recommendations is also included.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Item Package Quantity: 1
I have a PhD in biochemistry and a quarter century additional lab experience, so I'm not a complete idiot when it comes to pH meters. One of the reviewers of the Lusterleaf/Rapitest 1840, which has similar problems, put it best: "I paid attention to every review here and elsewhere and it's clear that this company sells two versions of this product:

One that works (about 40%)
One that doesn't work (about 60%)."

Most pH meters have a stand-by mode and a read mode and a button that switches them back and forth. This one has read and stand-by modes, but no switch button. Best I can figure, it computes when it needs to do a reading from a change in the probe environment. And whatever circuit or algorithm controls that mode switch is defective. That's why so many people write that their meter says 7.0 no matter what medium it's in. I can shock mine away from 7.0 with vinegar, but then it STILL doesn't give readings in other media, just a static number of 5.9.

If you have one of those locked at 7.0, it's game over. Cleaning, polishing, soaking, making soil slurries, whatever, won't have any effect. It really is that bad.

Lusterleaf/Rapitest continues to sell their product, even though the number of reviews and their dates show this is a widespread problem of long standing. That's an abuse of the customer. And a deal-killer for me, enough of a reason not to buy ANY product from this company in the future.
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This PH meter is very consistent - all over my yard of 22,000sq.ft it showed the same reading 7.0!
Junk!
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I thought this would work like a meat thermometer --stick it into the ground, take a reading. Wrong. Many complicated instructions about digging out five inches of soil, etc. Anyway, when it takes a reading, it starts at 70, then mine jumped to 54, 64, right back to 70, back to 54, 64, etc. Then it jumped back to 70 where it started. How I'm supposed to interpret that, I have no idea.
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It's obviously cheaply made; but it works. It was purchased for a science experiment and 6 readings were taken. We had no problems.

I am sure that if you stick it in an angle and then pull, it will break. I am a gardener and I don't see myself taking constant readings. This will last.
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bought one for $15 at a local nursery,i must say,what a pos!!!! no matter what u put the probe in it ALWAYS reads 7.0!. complete waste of $
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bought one of these and liked it because it is easy to use, you stick it in the ground and in a few seconds you read the DIGITAL display there is no guessing game with an analog needle, however it is flimzy, good for garden soil, but I used mine on the lawn and it broke, the long metal stick piece is super flimzy and it just started bending and finally snapped in half, the darn thing still works, but it's sorta single use
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I will first say, Amazon made it right on this order. I received this item and it wouldn't power on upon arrival. I changed the batteries and it finally powered on, but it is stuck on 7.0 like many of the others making it worthless.
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It will read the soil PH when it is in a VERY WET environment - the directions say to take a soil sample and combine it with water, and then stick the PH reader in, or soak the soil in the container in order to get a reading. It's somewhat of a hassle, because the majority of plants I am checking the PH on are small / seedlings, so there is not much soil to spare for testing, and I can't flood the containers due to the plant size.
For established plants that you can get the soil very soaked or for pulling a handful up out of the garden bed and mixing that with water, it works well and seems accurate.
For just sticking it in the dirt and getting a reading, it doesn't work at all.
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