{"product_id":"humboldts-secret-ph-down-for-plants-liquid-ph-adjuster-for-soil-coco-hydroponics-1-gallon","title":"Humboldts Secret pH Down for Plants | Liquid pH Adjuster for Soil, Coco \u0026 Hydroponics | 1 Gallon","description":"\u003ch2\u003ePrecision pH balance for thriving grows\u003c\/h2\u003e\n\u003cp\u003eHumboldts Secret pH Down is a concentrated liquid that helps lower and balance pH in soil, coco, and hydroponic nutrient mixes. By nudging pH into a practical range, it creates favorable conditions for nutrient availability, supporting strong root development, lush foliage, and the potential for robust yields.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains pH in the 5.5–6.5 range to reduce nutrient lockout and stabilize growth.\u003c\/li\u003e\n\u003cli\u003eCompatible with soil, coco coir, and hydroponic setups (including DWC and NFT).\u003c\/li\u003e\n\u003cli\u003eHighly concentrated formula—small amounts deliver lasting adjustments, saving time and money.\u003c\/li\u003e\n\u003cli\u003eNo dyes or additives; manufactured in California as a professional-grade solution.\u003c\/li\u003e\n\u003cli\u003eGoes beyond individual media to support vegetables, flowers, and herbs from seedling to harvest.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow it works across growing methods\u003c\/h3\u003e\n\u003cp\u003eWhether you cultivate in soil, coco, or water-based systems, this pH Down integrates with your nutrient solution to support balanced feeding and steady growth. In coco coir or soil, precise pH helps keep roots accessible to nutrients as they expand and mature. In hydroponics, steady pH supports consistent nutrient uptake and reduces variability between feeds.\u003c\/p\u003e\n\n\u003ch3\u003eConcentration and practicality\u003c\/h3\u003e\n\u003cp\u003eAs a concentrated phosphoric acid solution, only a small dose is needed to adjust pH quickly and reliably. This commercial-grade formula is designed for repeatable results with less product use, helping you manage large grow spaces or frequent reservoir changes.\u003c\/p\u003e\n\n\u003ch3\u003eUsage tips and safety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBegin with a conservative dose; test pH after adjustments and retest before feeding.\u003c\/li\u003e\n\u003cli\u003eFollow label directions and use appropriate containment when handling.\u003c\/li\u003e\n\u003cli\u003eStore in a cool, dry place away from sunlight for best stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging and reliability\u003c\/h3\u003e\n\u003cp\u003ePackaging may vary during our transition, but the formula remains the same—delivering consistent performance you expect from Humboldts Secret.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What media can Humboldts Secret pH Down be used with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It works across soil, coco coir, and hydroponic systems to help maintain target pH and support nutrient uptake.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How concentrated is this pH Down?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A small amount goes a long way; it's a highly concentrated phosphoric acid solution designed for efficient pH adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Humboldts Secret","offers":[{"title":"Default Title","offer_id":45786030047418,"sku":"B0BZFWT24K","price":115.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/humboldts-secret-ph-down-bottle-closeup_4e45c5fe-0473-484c-b117-fc424f474136.jpg?v=1776411856","url":"https:\/\/gardencanada.ca\/products\/humboldts-secret-ph-down-for-plants-liquid-ph-adjuster-for-soil-coco-hydroponics-1-gallon","provider":"Garden Canada","version":"1.0","type":"link"}