--- product_id: 16069707 title: "pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces" brand: "microbe life hydroponics" price: "MX$799" currency: MXN in_stock: true reviews_count: 13 url: https://www.desertcart.mx/products/16069707-ph-down-ph-control-liquid-premium-buffering-for-ph-stability store_origin: MX region: Mexico --- # 16 fl oz concentrated liquid Fast-acting in under 3 mins Precision pH control pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces **Brand:** microbe life hydroponics **Price:** MX$799 **Availability:** ✅ In Stock ## Summary > 🌿 Master your grow with Microbe Life pH Down — precision meets power! ## Quick Answers - **What is this?** pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces by microbe life hydroponics - **How much does it cost?** MX$799 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/16069707-ph-down-ph-control-liquid-premium-buffering-for-ph-stability) ## Best For - microbe life hydroponics enthusiasts ## Why This Product - Trusted microbe life hydroponics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Results:** Experience noticeable pH adjustment in under 3 minutes, keeping your grow on track without delay. - • **Safe & Clean Formula:** Crafted with deionized, UV-sterilized water ensuring no harm to plants, pets, or your hydro setup. - • **Precision pH Stability:** Maintain optimal nutrient uptake with exact pH balancing for thriving plants. - • **Concentrated Efficiency:** A little goes a long way—1ml adjusts 5 gallons, maximizing value and minimizing waste. - • **Universal Compatibility:** Seamlessly integrates with all hydroponic, soil, and soilless systems including NFT, DWC, and aeroponics. ## Overview Microbe Life Hydroponics pH Down is a premium, fast-acting liquid solution designed to safely lower and stabilize pH levels across all growing mediums. Formulated with deionized and UV-sterilized water, it combines dual pH adjusters and electrolytes to maintain osmotic balance without harming plants, pets, or hydroponic systems. Its concentrated formula ensures precise dosing and rapid results, making it an essential tool for professional and home growers aiming for optimal nutrient uptake and plant health. ## Description pH DOWN by Microbe Life Hydroponics is formulated with deionized and UV sterilized water and combine two pH adjusters for buffered effectiveness. It contains three electrolytes to help maintain osmotic balance. When used as directed, it will safely lower pH levels in nutrient solutions and never harm plants. ## Features - PROMOTES PH STABILITY: The Microbe Life Hydroponics pH Down is a strong pH adjusting agent that helps home growers maintain optimal pH levels by decreasing the pH in your system when it is too high - USE IN ANY GROWING MEDIUM: Use with all Microbe Life Hydroponic products & any nutrient program; pH Down works in any hydroponic, NFT, DWC, drip, aeroponic, aquaponics, and liquid feeding systems with soil or soilless media including coco coir - SAFELY ADJUSTS PH: pH Down is formulated with deionized and UV-sterilized water to lower pH to ideal range; will not harm plants and is safe to use around humans and pets - HOW IT WORKS: Formulated with deionized and UV sterilized water; It combines two pH adjusters for buffered effectiveness and three electrolytes to help maintain osmotic balance - SAFE TO USE: pH Down is completely harmless to plants, humans, and animals and won't damage or clog hydroponics systems, drip systems, and lines ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B00R9XGLA4 | | Best Sellers Rank | #19,976 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #3 in Hydroponic Nutrients & Additives | | Brand Name | Microbe Life Hydroponics | | Customer Reviews | 4.0 4.0 out of 5 stars (882) 4.0 out of 5 stars | | Included Components | Product Label Guide | | Item Form | Liquid | | Item Type Name | pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use With Any Feeding Systems Including Hydroponics or Soil | | Item Weight | 16 Ounces | | Manufacturer | Ecological Laboratories Inc. | | Manufacturer Part Number | PH21402 | | Manufacturer Warranty Description | 30 - Days Conditional Manufacturer's Warranty upon date of received of purchase. | | Model Number | PH21402 | | Number Of Items | 1 | | Product Benefits | Lowers pH | | Unit Count | 16.0 Fluid Ounces | | Upc | 097121214027 | ## Product Details - **Brand:** Microbe Life Hydroponics - **Item Form:** Liquid - **Item Weight:** 16 Ounces - **Product Benefits:** Lowers pH - **UPC:** 097121214027 ## Images ![pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces - Image 1](https://m.media-amazon.com/images/I/61G37Qz0ypL.jpg) ![pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces - Image 2](https://m.media-amazon.com/images/I/51g1fUTCehL.jpg) ![pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces - Image 3](https://m.media-amazon.com/images/I/51XEpYOsYHL.jpg) ![pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces - Image 4](https://m.media-amazon.com/images/I/61zhIYLN6eL.jpg) ![pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces - Image 5](https://m.media-amazon.com/images/I/61zyDPFWDGL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ A little goes a long way! Dose in small amounts. *by on Reviewed in the United States August 21, 2025* Very potent so literally your best bet is to use a 1ml syringe and add 1ml at a time. I treated 5 gallons of water with just 1ml bringing the ph down from 8.5 to 5.2. With that said the size is great for the value. The speed at which it takes effect is less than 3mins. It’s easy to use if you go slowly. Definitely measure out the dose, otherwise the ph will bottom out which can be saved with ph up but you’ll end up making a chemistry project instead of feed water. ### ⭐⭐⭐⭐⭐ Microbe Life PH down! A fool proof system! AAA+ I swear by it! *by on Reviewed in the United States April 17, 2026* Just microblife hydroponics pH down I use instead of the cheaper stuff that you get I truly believe you get what you put into your plants of course all of these contain certain light metals that you have no choice but to use for the life survival especially of the plant and it's younger stages later on you can lean away from it but if you want to establish a strong healthy plant this stuff is necessary if you have chlorinated waters or waters that you just have no control over what is in it and I suggest using this system is very easy you know this is page I basically citric acid of course with other stuff but this is foolproof too It's just squirt I do it by the gallon very easy I don't measure yet You don't even have to look basically it's so quick and easy You can do it in your sleep even They even give you a chart so you can match colors you know I go to I use it that peach color you know that's a very good area for what my plants are at what I do grow tropical plant so yeah I've been buying this too for years and I don't I don't switch it up you know because I'm sick of buying the two packs where you get pH up and down so I don't ever have to use one or the other I can't remember but I haven't looked at it so long I think I believe this is pH up but the blue one you know I don't even use that I've never used it very very seldomly or if I'm testing fish tank water or something like that I'll use it cuz you know but besides that I don't even use the sign up with all these bottles of this garbage laying around so I just just do this this way save money and you get this big bottle that's a while! ### ⭐ Very weak, not financially viable *by on Reviewed in the United States April 7, 2026* It works, but is very weak. Used the whole bottle in only a few days. With less than 6% citric acid (active ingredient), it’s about as acidic as a glass of lemonade. Not financially viable, you’re better off just using vinegar or some diluted phosphoric acid, not this slightly spicy water. ## Frequently Bought Together - Microbe Life Hydroponics pH Down pH Control Liquid, Premium Buffering for pH Stability, Decreases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces - PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium - Microbe Life Hydroponics pH Up pH Control Liquid, Premium Buffering for pH Stability, Increases pH Levels, Use with Any Feeding Systems Including Hydroponics or Soil, 16 Ounces --- ## 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.mx/products/16069707-ph-down-ph-control-liquid-premium-buffering-for-ph-stability](https://www.desertcart.mx/products/16069707-ph-down-ph-control-liquid-premium-buffering-for-ph-stability) --- *Product available on Desertcart Mexico* *Store origin: MX* *Last updated: 2026-06-03*