SKU: 64796954135

The Harvest Company pH Control Kit 8 oz. Organic Nutrient Solution Adjuster Concentrate Plant pH Up and Down with Testing Kit (VLPTK4)

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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

The Harvest Company pH Control Kit 8 oz. Organic Nutrient Solution Adjuster Concentrate Plant pH Up and Down with Testing Kit (VLPTK4)The Harvest Company pH Test Kit with pH Up and Down Solutions Complete pH Management Kit for Healthy Plant Growth The Harvest Company pH Test Kit with pH Up and Down solutions provides everything needed to monitor and adjust nutrient solution pH for healthy plant growth. This complete kit includes concentrated pH adjusting solutions and a broad range pH test kit capable of measuring pH levels from 4. 0 to 10. 0. The pH Down solution is formulated with

The Harvest Company pH Test Kit with pH Up and Down Solutions

Complete pH Management Kit for Healthy Plant Growth

The Harvest Company pH Test Kit with pH Up and Down solutions provides everything needed to monitor and adjust nutrient solution pH for healthy plant growth. This complete kit includes concentrated pH adjusting solutions and a broad-range pH test kit capable of measuring pH levels from 4.0 to 10.0.

The pH Down solution is formulated with food-grade phosphoric acid, while the pH Up solution uses food-grade potassium hydroxide. Both are safe for use with food crops and suitable for all growing methods, including soil, hydroponics, soilless growing media, and foliar applications.

Specifications

Specification Details
Product Type pH adjustment and testing kit
pH Testing Range 4.0 – 10.0
Testing Capacity Up to 160 tests
pH Up Ingredient Food-grade potassium hydroxide
pH Down Ingredient Food-grade phosphoric acid
Applications Soil, hydroponics, soilless media, foliar feeding

Features

  • Includes pH Up, pH Down, and broad-range pH test kit
  • Measures pH values from 4.0 to 10.0
  • Highly concentrated formulas require less product per use
  • Safe for food crops and edible plants
  • Suitable for hydroponic and soil-based growing systems
  • Helps maintain proper nutrient solution balance
  • Provides up to 160 individual pH tests
  • Easy-to-use liquid testing method

Supports Healthy Nutrient Uptake and Plant Growth

Maintaining proper pH levels helps plants absorb nutrients more efficiently and supports stronger growth.

  • Recommended pH range for most crops is 5.5 to 6.5
  • Helps improve nutrient availability and plant performance
  • Suitable for vegetables, herbs, flowers, fruits, and hydroponic crops

Easy-to-Use pH Adjustment Process

  1. Test the nutrient solution using the included pH test kit.
  2. Add one drop of pH Up or pH Down solution at a time.
  3. Mix thoroughly and retest the solution.
  4. Repeat until the desired pH level is reached.

Ideal for Multiple Growing Applications

The Harvest Company pH management kit is suitable for a wide range of growing environments.

  • Hydroponic systems
  • Soil and container gardening
  • Seed starting and propagation
  • Indoor and outdoor growing
  • Foliar nutrient applications

Reliable and Cost-Effective Growing Solution

The Harvest Company pH Test Kit with pH Up and Down solutions provides a dependable and affordable way to maintain proper pH balance for healthy plants. Its concentrated formulas, broad testing range, and compatibility with multiple growing methods make it an essential tool for both beginner and professional growers.

Disclaimer: Packaging may vary due to brand updates and inventory transitions. You’ll receive the same high-quality gardening product. Formally known as Viagrow.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 64796954135

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4.0 ★★★★★
Based on 7 reviews
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Product Reviews
D
Verified Purchase
Denyce Schoemehl
Louisville, US
★★★★★ 5
Got it fast and works great
Very nice looking and works fast!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
A
Verified Purchase
Amazon Customer
Birmingham, US
★★★★★ 5
So easy
I love it
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Reviewed in the United States on June 3, 2026
K
Verified Purchase
k. oakes
Lexington, US
★★★★★ 4
Nice tool, but with a 4 year life span.
I bought this on Nov. 2020, after hand surgery left me temporarily unable to do simple yet necessary tasks- like opening a wine bottle. 🤪 It's compact, nicely designed, and reliable. I kept it plugged in all the time with no issues. The only negative so far is the blue light which stays on whenever the unit is in the base, fully charged or not. (Not a fan of the many small yet bright lights from all appliances! Placing a Talking Yoda figurine in front of it blocked enough of the light to satisfy me). I found it easy to use and appreciated the foil cutter. Worked well on all types of corks. Flash forward to spring 2024... Despite the constant charging, the corkscrew dies at maybe a half inch into the cork. Just slows down and dies. Having read earlier reviews, I may try to crack it open and replace the battery. But ultimately, having regained my hand strength back, I'm more likely to go back to an old fashioned, reliable, hand operated corkscrew and celebrate the loss of weird lights and needed electricity. Conclusion: unless you are recovering from hand surgery, just get a good quality non- electric corkscrew and use it for 75 years (optimistically). Best deal ever. And you can take it camping too.
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Reviewed in the United States on July 2, 2024
D
Verified Purchase
Divya
Lowell, US
★★★★★ 5
Game Changer for Wine Lovers
Color: 8-in-1 Silver, Size: Rechargeable
Circle Joy Electric Wine Bottle Opener and I’m honestly really impressed. Setup was super simple, and it works exactly as advertised—just place it on the bottle, press a button, and the cork comes out smoothly in seconds. No struggling, no broken corks, and no mess. It makes opening wine feel effortless and a lot more enjoyable. I also love the sleek design—it looks modern and feels sturdy, not cheap. If you have the set with accessories, the extras like the foil cutter and pourer are a nice bonus and actually useful. Overall, this is a great little gadget, especially if you open wine often or just want something convenient and easy to use. Definitely a solid buy or even a nice gift idea.
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Reviewed in the United States on April 16, 2026
B
Verified Purchase
Bruce Dresser
Houston, US
★★★★★ 5
Great electric corkscrew
Color: 7-in-1 Silver, Size: Rechargeable
The electric corkscrew works perfectly. It makes opening wine bottles so easy. I haven’t had to recharge the device for weeks!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026

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