--- product_id: 329135478 title: "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" brand: "followin" price: "€ 60.75" currency: EUR in_stock: true reviews_count: 10 url: https://www.desertcart.nl/products/329135478-ph-up-and-down-control-kit-for-hydroponics-soil-gardens store_origin: NL region: Netherlands --- # Safe for hydroponics, soil & aquariums Includes pH indicator & dropper Precise pH range 5.5–7.0 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 **Brand:** followin **Price:** € 60.75 **Availability:** ✅ In Stock ## Summary > 🌱 Elevate your garden game with flawless pH control—because thriving plants don’t wait! ## Quick Answers - **What is this?** 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 by followin - **How much does it cost?** € 60.75 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/329135478-ph-up-and-down-control-kit-for-hydroponics-soil-gardens) ## Best For - followin enthusiasts ## Why This Product - Trusted followin brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision pH Mastery:** Maintain the perfect 5.5–7.0 pH range for unstoppable plant growth. - • **Aquarium-Safe Formula:** Colorless, low-odor solution that nurtures aquatic plants and fish without harm. - • **All-in-One Control Kit:** Complete 9oz pH Up, 9oz pH Down, and indicator for effortless, exact dosing. - • **Hydroponics & Soil Ready:** Trusted by indoor growers and soil gardeners alike for flawless nutrient uptake. - • **Beginner-Friendly Simplicity:** Drop, test, adjust—no guesswork, no waiting, just vibrant results every time. ## Overview This concentrated pH Up and Down Control Kit offers precise adjustment of nutrient solution pH between 5.5 and 7.0, optimizing plant nutrient absorption for hydroponics, soil gardens, and freshwater aquariums. The kit includes 9oz each of pH Up and pH Down solutions plus a 1oz pH indicator with dropper and test vial for accurate dosing. Its safe, low-odor, colorless formula supports healthy plant and aquatic life growth, making it ideal for both beginners and experienced growers seeking consistent, vibrant results. ## Description pH control is essential for stimulating vigorous plant growth. Nutrient solution pH that is too high(basic), or too low(acidic), can not be properly absorbed by plants. The pH scale measures acidity or alkalinity on a scale of 0 to 14. Below 7.0, the pH is acidic, above 7.0, the pH is alkali(basic), 7.0 is “neutral”. The best pH for plant growth is generally in the range of 5.5 to 6.5 -- slightly acidic. pH down can lowers nutrient solution pH, pH up can raise nutrient solution pH. TIP: After opened the PH down solution, the container solution will appear black precipitate, that is a condensate after the acidic substance is sealed, and this condensate does not affect the effect of use, please feel free to use it. Our pH up and down control Kit is safe to use for all indoor & outdoor plants, flowers, vegetables & herb gardens , organic lawn & turf care, fruiting & non- frunting trees, crops ## Features - SMART pH CONTROL FOR OPTIMAL GROWTH: Keep your plants thriving by maintaining nutrient solution pH in the ideal 5.5–7.0 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. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B08XVVVJJK | | Best Sellers Rank | #18,165 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #3 in Hydroponic pH Control | | Brand Name | FOLLOWIN | | Customer Reviews | 4.3 4.3 out of 5 stars (717) 4.3 out of 5 stars | | Item Form | Liquid | | Item Weight | 1 Ounces | | Manufacturer | FOLLOWIN | | Manufacturer Part Number | pH Control Kit | | Model Number | pH Control Kit | | Number Of Items | 1 | | Product Benefits | Facilitates pH level adjustment for optimal plant growth in hydroponics and gardens | | Unit Count | 18.0 Fluid Ounces | ## Product Details - **Brand:** FOLLOWIN - **Item Form:** Liquid - **Item Weight:** 1 Ounces - **Number of Packs:** 1 - **Product Benefits:** Facilitates pH level adjustment for optimal plant growth in hydroponics and gardens ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/71sG62paTpS.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ A must-have for well water! Keeps my houseplants thriving. *by on Reviewed in the United States March 25, 2026* 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! ### ⭐⭐⭐⭐⭐ Good control kit *by on Reviewed in the United States April 17, 2026* 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. ### ⭐⭐⭐⭐⭐ Doing what he needs to do *by on Reviewed in the United States February 1, 2026* 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. ## Frequently Bought Together - FOLLOWIN pH Up and Down Control Kit (9oz+9oz), Hydroponics pH Tester Calibration Adjuster Buffer Solution Combo for Soil Gardening Plants Pool A Balanced Nutrient - 2024 All-New pH Meter for Water - High Accuracy Digital pH Tester (0.01 Precision) with UL Certification and 3 pH Calibration Powders - Ideal for Home Water, Hydroponics, Aquariums, Pools, and More --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.nl/products/329135478-ph-up-and-down-control-kit-for-hydroponics-soil-gardens](https://www.desertcart.nl/products/329135478-ph-up-and-down-control-kit-for-hydroponics-soil-gardens) --- *Product available on Desertcart Netherlands* *Store origin: NL* *Last updated: 2026-06-30*