{"product_id":"gen-fe-liquid-iron-400ml","title":"Yokuchi Gen Fe Iron – Liquid Iron Fertilizer 400ml","description":"\u003cp\u003e\u003cstrong\u003eBioavailable organic iron in Fe²⁺ form — large format with integrated dispenser for consistent daily dosing in medium to large planted aquariums.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYOKUCHI GEN FE IRON 400ml is a highly concentrated liquid iron fertiliser in a large cylinder format with integrated dispenser. A single bottle provides the essential element for up to \u003cstrong\u003e40,000 litres\u003c\/strong\u003e of aquarium water — in a 100-litre planted aquarium, one bottle lasts over 400 days.\u003c\/p\u003e\u003cp\u003eIron is classified as a microelement and is absorbed by plants as the Fe²⁺ ion. It is essential for chlorophyll synthesis, forms part of key proteins, and participates in cellular respiration. As an intermediate-mobility element, deficiency symptoms appear first on young leaves before progressing to older growth.\u003c\/p\u003e\u003ch4\u003eRecognising Iron Deficiency\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFading of green colour in stems and leaves\u003c\/li\u003e\n\u003cli\u003eNecrosis of new leaves — black spots and holes in prolonged cases\u003c\/li\u003e\n\u003cli\u003eStunted new growth\u003c\/li\u003e\n\u003cli\u003eSymptoms most visible first on fast-growing plant species\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFormula Highlights\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBased on organic divalent iron (Fe²⁺) compounds with excellent stability and very high bioavailability\u003c\/li\u003e\n\u003cli\u003eSignificantly enhances red and orange colouration by supporting anthocyanin and carotenoid synthesis\u003c\/li\u003e\n\u003cli\u003eModern formula allows dosing during lighting operation; best results achieved with lights off\u003c\/li\u003e\n\u003cli\u003eExceptional yield — 40,000 litres per 400ml bottle\u003c\/li\u003e\n\u003cli\u003eIntegrated dispenser for precise, consistent daily dosing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eDosing Instructions\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e1 click per 100 litres of water per day.\u003c\/strong\u003e Dose near the filter outlet for optimal distribution. For heavily planted aquariums, increase the dose proportionally to plant density.\u003c\/p\u003e\u003ch4\u003eIdeal For\u003c\/h4\u003e\u003cp\u003eMedium to large planted aquariums with red and orange stem plants where iron availability directly impacts colour intensity. The 400ml format offers exceptional value for regular daily use. Also available in the compact 30ml nano format.\u003c\/p\u003e\u003cp\u003ePart of the YOKUCHI precision fertiliser system, available at AquaScape Design.\u003c\/p\u003e","brand":"Dennerle Plants","offers":[{"title":"Default Title","offer_id":57286659440972,"sku":null,"price":7.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1040\/8001\/5692\/files\/IMG-7742.webp?v=1776170669","url":"https:\/\/www.aquascapedesign.co.uk\/products\/gen-fe-liquid-iron-400ml","provider":"AquaScape Design-UK","version":"1.0","type":"link"}