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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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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4.4 ★★★★★
Based on 14 reviews
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P
Peter
Belleville, US
★★★★★ 4
Great looking wrist rest but lacks strong grip
The walnut wood looks and feels great and gives my desk setup a more premium look. The dimensions are as described on the product page. I have no doubt this wrist rest will last a long time given how solid and well made it is. The only downside is that it tends to move around a bit more than my old silicon wrist rest. The grip on the bottom isn’t as strong so I find myself readjusting it occasionally when gaming. Overall, recommended.
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Reviewed in the United States on July 29, 2025
K
KC
Port Orchard, US
★★★★★ 5
Very classy looking! Perfect height and length for TKL keyboards!
This wrist rest is the perfect height and length for my TKL keyboards! The wood is soft and smooth. It looks VERY classy compared to some of the wrist rests I've used in the past. The non-slip pads work great too. The only thing I could find that was wrong is that the logo is upside down. It's not visible though because it's the edge that meets the keyboard so it's never seen. I find it endearing actually! Everything else is perfect, so I'd definitely recommend!
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Reviewed in the United States on September 23, 2025
J
Justin Sternberg
Belleville, US
★★★★★ 3
Classy look, but finish issue
This walnut wrist rest looks great on the desk—simple, solid, and much nicer than foam or gel options. It has a clean, polished style that pairs well with a keyboard, and the non-slip base keeps it from sliding around. I wasn’t sure how I would like it compared to the soft cushy pad I used before, but it’s actually been pretty comfortable. The firmness gives steady support, and I haven’t found it too uncomfortable even after longer typing sessions. The one drawback is a spot where the finish has worn or dissolved. It wasn’t there when I first got it, so I suspect the coating isn’t as durable as I’d hoped. It doesn’t affect how it feels in use, but it does stand out on an otherwise sharp-looking piece. Overall, it’s a nice upgrade if you want a wooden wrist rest, just be aware the finish might not stay flawless over time.
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Reviewed in the United States on September 11, 2025
D
Dolli
Dallas, US
★★★★★ 5
Classy, Comfortable, and Built to Last!
I’ve never tried a wooden wrist rest before, but after going through a few padded ones (even some expensive name-brand versions) that eventually peeled or fell apart, I figured this was worth a shot. And I’m so glad I did! This walnut wrist rest is smooth, beautifully made, and looks amazing on my desk. I have a whitewashed office setup, but this piece looks so good that I half-joked about wanting to change my desk to match it! It adds a very clean, grown-up aesthetic to the space. One thing I really appreciated is that it comes in several sizes to suit different setups. I ordered the largest available, and while it’s just a couple inches shy of covering the full length of my keyboard, it still works perfectly. It has non-slip grips on the bottom that keep it in place, and even though it’s made of solid wood, it’s surprisingly comfortable and ergonomic to type with. It’s also super low-maintenance—just wipe it clean with a damp cloth. For the $26–$29 price range, I think it’s a fantastic value and honestly better than some of the big-name options I’ve tried. This is a quality piece I expect to hold up for a long time, and I’m really happy with it!!
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Reviewed in the United States on July 23, 2025
T
Theo
Natrona Heights, US
★★★★★ 5
Check the height of your keyboard before ordering
This is a beautifully made, elegant looking wrist rest. The finish is satin perfectly smooth to the touch. As keyboards vary in height, be sure to measure he height of the front edge of yours before ordering—I didn’t (which is entirely my fault) and found that this wrist rest is just a wee bit too tall, which positioned my wrists a tad higher than I’m used to. Another factor you may want to consider are the ergonomics of solid wood versus other materials and your personal preferences (e.g., I tend to prefer cloth covered gel, because he cloth keeps my wrists from sticking and the gel is cushioning). My closing thought: this wrist rest is that it is by far the best looking of any wrist rest I’ve ever seen. [Disclosure: I received this product for “free”—in quotes because the IRS considers the item’s retail value as taxable income for federal income tax purposes. This review is my personally written—not AI generated—honest opinion, and is uncensored by the seller.]
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Reviewed in the United States on July 29, 2025

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