FOLLOWIN pH Up and Down Control Kit for Hydroponics, Soil Gardens & Aquariums - Concentrated Liquid pH Adjuster Set (9 oz + 9 oz) with pH Indicator - Balanced Nutrient Solution for Plants
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Availability:
In Stock.
Arrives
Sunday, Jun 21
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Features
- SMART pH CONTROL FOR OPTIMAL GROWTH: Keep your plants thriving by maintaining nutrient solution pH in the ideal 5.57.0 range. Avoid nutrient lock and stunted growth with our precise pH adjusters. Works seamlessly in hydroponics, soil gardens, coco coir, and freshwater aquariums for confident, consistent results.
- COMPLETE KIT - EVERYTHING YOU NEED: Includes 9oz pH Up, 9oz pH Down, and 1oz pH indicator solution. Comes with dropper and test vial for precise dosing. The concentrated formula ensures extended use and minimal waste, making it perfect for indoor growers, soil gardeners, and aquaponics enthusiasts alike.
- HYDROPONICS-FIRST, SOIL-GARDEN READY: Trusted by indoor hydroponic growers for precise pH management in DWC, NFT, flood-and-drain, and aeroponic systems. Equally effective for soil-based growing - raise or lower pH in raised beds, containers, and outdoor garden beds. No clogged lines, no nutrient lockout, no root burn - just healthy, vibrant plants.Easily raise or lower pH for consistent nutrient uptake without harming delicate roots or beneficial biology.
- AQUARIUM & FISH SAFE: Low odor, colorless formula adjusts water pH safely for aquatic plants, fish, and shrimp. Ideal for freshwater aquariums, aquaponics, and water plant setups. Ensure your fish tank water conditioner maintains balanced conditions that promote vibrant, healthy growth.
- EASY TO USE - PERFECT FOR BEGINNERS: No chemistry degree required. Drop, test, adjust - it is that simple. Included pH indicator solution shows exact color-coded readings at a glance. Comes with dropper lets you add precisely the right amount every time. Shaking well before using,works immediately with no mixing, no waiting. Ideal for first-time hydroponic growers and soil gardeners who are done guessing and ready to grow with confidence.
Brand: FOLLOWIN
Item Weight: 1 Ounces
Item Form: Liquid
Product Benefits: Facilitates pH level adjustment for optimal plant growth in hydroponics and gardens
Number of Packs: 1
Brand Name: FOLLOWIN
Number of Items: 1
Unit Count: 18.0 Fluid Ounces
Model Number: pH Control Kit
Manufacturer Part Number: pH Control Kit
Manufacturer: FOLLOWIN
Item Form: Liquid
Product Benefits: Facilitates pH level adjustment for optimal plant growth in hydroponics and gardens
Item Weight: 1 Ounces
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jun 21
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
My husband originally bought this kit about a month ago to help us regulate the pH of the water for our houseplants. We are on well water here, and the levels can be pretty unpredictable, so having a reliable way to stabilize it has been great. We’ve been using it consistently, and so far, it’s been working exactly as it should to keep the water at an adequate level for the plants to stay healthy. The chemical content is effective but easy to manage—a few drops of the "Up" or "Down" solution and we're good to go. In terms of use and ease of use, the included dropper makes it very simple to get a precise measurement without any mess. I was specifically worried about leakage, but the bottles are sturdy, and the caps seal tightly, so we haven't had a single drip or spill in the cabinet. For the price, the value for money is excellent because the solutions are concentrated; this kit is going to last us a very long time. The durability of the packaging feels high-quality, and it’s a relief to have a consistent solution for our well water issues. Definitely worth it if you want to stop guessing about your water quality!
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Reviewed in the United States on March 25, 2026 Reviewed in the United States on March 25, 2026 by Emily A
Have no issues with this product it does what it needs to. Also it comes with reagent liquid and a little container to color code the ph that the water is. Overall easy to use and worth the money.
Reviewed in the United States on April 17, 2026 by Johnny montano
I’ve been using this product for a while. I love it. I use 2 mL at a time and 3 gallons. It gives me instant results. I can adjust to get it down to 6.5 with no problem. Thank you. Excellent product.
Reviewed in the United States on February 1, 2026 by Tim Brown
I picked this pH control kit up to help manage water levels for my plants, and overall it’s been pretty useful once you get the hang of it. The adjustability is solid. You can dial things in pretty precisely by adding small amounts at a time, which makes it easier to avoid overcorrecting. I was able to get my water into a better range without too much guesswork after a couple tries. The ease of use is good. The testing process is simple, and once you understand how the drops affect your water, it becomes pretty straightforward. It’s not complicated, just takes a little patience at first. The effect on water content is noticeable, but it’s not super strong. You may need to use more solution than expected, especially if your starting pH is far off, which can go through the bottles a bit faster. The durability of the bottles is decent. They feel sturdy enough and seal well, though I did notice one cap needed to be tightened carefully to avoid any small drips. I didn’t have any major leakage issues, but I can see how it could happen if the caps aren’t fully secured. It’s something to keep an eye on when storing them. It works across different setups, which is nice. I used it for basic plant watering, but it would also work for hydro setups or other uses. The included testing solution is helpful for getting a quick read, though it’s more of a basic indicator than something super precise. For the price, the value for money is decent, especially as a starter kit, but if you need something stronger, you might go through it quicker than expected. Overall, this is a good entry-level option for managing pH levels, just be prepared to use a bit more solution to get the results you want.
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Reviewed in the United States on April 18, 2026 by Amazon Customer
This is a good starter kit. For me I only needed the PH Down but I learned a lot from using this kit. Blueberries are challenging. Make sure to use a good calibrated PH meter alongside this.
Reviewed in the United States on March 22, 2026 by Mark
I’m reading this at three out of five stars not because it didn’t work, but because it required a lot more solution to balance my tapwater compared to other brands. I almost had to use twice as much of this pH up compared to the general hydroponics, but can’t attest to the pH down as I never needed to use it. The indicator solution worked well, the solution actually worked and adjusted my water, I just burned through the bottle way faster than I should have. Going forward I’ll stick with general hydroponics but this would work in a pinch!
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Reviewed in the United States on October 3, 2025 by Trikie_Dik
Will not keep PH down. Used whole bottle over two days in a four gallon tank; lowers PH, then it climbs right back up.
Reviewed in the United States on April 11, 2026 by M
Exactly as described...
Reviewed in the United States on April 17, 2026 by Pandears