--- product_id: 5510609 title: "pH Down Liquid Premium Buffering For pH Stability, 1-Gallon" brand: "general hydroponics" price: "912 Lei" currency: RON in_stock: true category: "General Hydroponics" url: https://www.desertcart.ro/products/5510609-ph-down-liquid-premium-buffering-for-ph-stability-1-gallon store_origin: RO region: Romania --- # Precisely lowers pH levels Food-grade phosphoric acid Ensures long-term pH stability pH Down Liquid Premium Buffering For pH Stability, 1-Gallon **Brand:** general hydroponics **Price:** 912 Lei **Availability:** ✅ In Stock ## Summary > ⚡ Master your grow with precision pH control! ## Quick Answers - **What is this?** pH Down Liquid Premium Buffering For pH Stability, 1-Gallon by general hydroponics - **How much does it cost?** 912 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/5510609-ph-down-liquid-premium-buffering-for-ph-stability-1-gallon) ## Best For - general hydroponics enthusiasts ## Why This Product - Trusted general hydroponics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & Food-Grade:** Crafted with food-grade ingredients, ensuring safe use in all hydroponic and gardening applications. - • **Bulk 1-Gallon Supply:** Generous volume designed for serious growers who demand reliability and value in every drop. - • **Precision pH Control:** Expertly formulated to dial down high pH with food-grade phosphoric acid for optimal nutrient absorption. - • **Premium Buffering Power:** Maintains consistent pH levels, preventing nutrient lockout and maximizing plant health. - • **Trusted Hydroponic Leader:** Ranked #1 in hydroponic pH control, backed by 10,899 glowing reviews with a 4.8-star rating. ## Overview General Hydroponics pH Down Liquid is a premium 1-gallon acid buffer using food-grade phosphoric acid to precisely lower and stabilize nutrient pH levels. Trusted by thousands of hydroponic growers, it ensures optimal nutrient uptake and plant vitality with consistent, reliable performance. ## Description The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. ## Features - Acid formulation uses food grade phosphoric acid - Add when your nutrient pH is too high in order to lower the pH to the proper level - Promotes pH stability ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000FG0F9U | | Best Sellers Rank | #1,750 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Hydroponic pH Control | | Brand Name | General Hydroponics | | Customer Reviews | 4.8 4.8 out of 5 stars (10,899) | | Global Trade Identification Number | 00793094015332 | | Included Components | only product | | Item Form | Liquid | | Item Type Name | Premium Buffering For Stability | | Item Weight | 2 Pounds | | Manufacturer | Hawthorne Hydroponics, LLC | | Manufacturer Part Number | HGC722125 | | Model Number | HGC722125 | | Number of Items | 1 | | Product Benefits | Lowers pH | | UPC | 714863970218 793094015332 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** General Hydroponics - **Item Form:** Liquid - **Item Weight:** 2 Pounds - **Product Benefits:** Lowers pH - **UPC:** 714863970218 793094015332 ## Images ![pH Down Liquid Premium Buffering For pH Stability, 1-Gallon - Image 1](https://m.media-amazon.com/images/I/61gukYk+JLL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: What is the amount per gallon mixing ratio?** A: I use up to 3-4ml per gallon sometimes, depending on my nutrients, water and stage of plant growth. It will vary depending on what you're growing and where your particular plant's needs fall on the nutrient/ph charts. For hydroponics/coir it is recommended by manufacturer to range between 5.5 and 6.5. **Q: can you list ingredients with %. Thank you!** A: exact amounts are a trade secret however the MSDS on this states:Phosphoric acid 10 - 30%Ammonium dihydrogenorthophosphate 5 - 10%Citric acid 5 - 10%in comparison the dyna-gro ph down has:Phosphoric Acid H3PO4 33%Nitric Acid HNO3 11.5%That being said there are benefits to some of these ingredients. N-NitrogenP-PhosphorusK-PotassiumPhosphoric acid provides: PAmmonium dihydrogenorthophosphate provides: N and PCitric acid: other than lowering ph, does nothing useful. made from oxygen and hydrogen not in any usable form as far as I can find.Nitric Acid provides: NOverall either product seems to provide similar benefits.Dyna-gro is half the cost. **Q: ingredients? Concentration?** A: It’s not organic if that’s what you mean ingredients. I haven’t used this in a long time. I want to say I’d use like 20ml for 5 gallons. I switched to another branf **Q: Is this safe for aquaponics systems?** A: I would think so. I use it to lower the pH of the water I use to water my plants sometimes, both inside and out. ## Frequently Bought Together - General Hydroponics pH Down Liquid Premium Buffering For Stability, 1-Gallon - General Hydroponics CALiMAGic 1-0-0, Concentrated Blend Of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Gallon - General Hydroponics FloraBloom 0-5-4, Use With FloraMicro & FloraGro For A Tailor-Made Nutrient Mix, Provides Nutrients For Reproductive Growth, Ideal For Hydroponics, 1-Gallon --- ## 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.ro/products/5510609-ph-down-liquid-premium-buffering-for-ph-stability-1-gallon](https://www.desertcart.ro/products/5510609-ph-down-liquid-premium-buffering-for-ph-stability-1-gallon) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-06-20*