{"product_id":"canna-pk-13-14-flowering-booster","title":"CANNA PK 13\/14 – Phosphorus \u0026 Potassium Flowering Booster","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eCANNA PK 13\/14 – Concentrated Flowering \u0026amp; Fruiting Booster\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCANNA PK 13\/14\u003c\/strong\u003e is a highly concentrated blend of phosphorus and potassium developed to meet the increased nutritional demands of plants during the flowering and fruiting stage.\u003c\/p\u003e\n\u003cp\u003eAs plants move further into flowering, their requirements change. Phosphorus plays an important role in plant metabolism, energy transfer and flower cell development, while potassium contributes to nutrient and water transport, plant strength and sugar production.\u003c\/p\u003e\n\u003cp\u003eCANNA PK 13\/14 provides these two important macronutrients in a concentrated, readily available form at the point in the flowering cycle when plants require them most. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy choose CANNA PK 13\/14?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for the flowering phase\u003c\/strong\u003e – supplies additional phosphorus and potassium when demand increases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports flower \u0026amp; fruit development\u003c\/strong\u003e – formulated specifically for generative plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly concentrated\u003c\/strong\u003e – only 15 ml is required per 10 litres of water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReadily available nutrients\u003c\/strong\u003e – CANNA formulates PK 13\/14 so phosphorus and potassium are quickly available to the plant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for all growing media\u003c\/strong\u003e – use with soil, potting mixes, coco and hydroponic systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor \u0026amp; outdoor use\u003c\/strong\u003e – suitable across a wide variety of cultivation methods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks alongside your base nutrient\u003c\/strong\u003e – designed as a short-term flowering supplement rather than a complete standalone feed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePairs perfectly with CANNABOOST\u003c\/strong\u003e – the two additives perform different but complementary roles during flowering. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy phosphorus \u0026amp; potassium matter during flowering\u003c\/h2\u003e\n\u003cp\u003eA plant's nutritional requirements change significantly once flowering is underway.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhosphorus (P)\u003c\/strong\u003e is an essential macronutrient involved in energy transfer and plant metabolism. During flowering, additional phosphorus supports the development and formation of flower cells.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePotassium (K)\u003c\/strong\u003e is involved in numerous plant processes, including the movement of water and nutrients and the production of sugars. These sugars become particularly important during flower and fruit development.\u003c\/p\u003e\n\u003cp\u003eCANNA PK 13\/14 provides additional P and K for the relatively short period when flowering plants have an increased requirement for these nutrients. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eHow to Use CANNA PK 13\/14\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eShake the bottle thoroughly before use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAdd PK 13\/14 to your \u003cstrong\u003enormal nutrient solution\u003c\/strong\u003e at:\u003c\/p\u003e\n\u003ch3\u003e1 litre of water\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1.5 ml CANNA PK 13\/14\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e10 litres of water\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e15 ml CANNA PK 13\/14\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDilution ratio: 1:666\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCANNA recommends introducing PK 13\/14 approximately \u003cstrong\u003ethree weeks before harvest\u003c\/strong\u003e, adding it to the full nutrient solution for \u003cstrong\u003e3–6 days\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eImportant\u003c\/h3\u003e\n\u003cp\u003ePK 13\/14 is intended as a \u003cstrong\u003eshort-term flowering supplement\u003c\/strong\u003e, not something that should simply be increased or used continuously.\u003c\/p\u003e\n\u003cp\u003eCANNA advises using PK 13\/14 for \u003cstrong\u003eno more than one week\u003c\/strong\u003e, helping avoid unnecessary accumulation of phosphorus and potassium in the growing medium. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eUse Alongside Your Regular Nutrient Programme\u003c\/h1\u003e\n\u003cp\u003eCANNA PK 13\/14 is \u003cstrong\u003enot a complete base fertiliser\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt should be added to an established nutrient programme during the appropriate stage of flowering.\u003c\/p\u003e\n\u003cp\u003eFor growers wanting to build a complete feeding system, we recommend exploring our:\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/growcerygardening.co.uk\/collections\/plant-nutrients\" target=\"_blank\" title=\"Canna feeds\" rel=\"noopener\"\u003e\u003cstrong\u003eFull CANNA Nutrient \u0026amp; Additive Range\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eHere customers can find the appropriate base nutrients and additives for soil, coco and other growing systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003ePerfect Partner for CANNABOOST\u003c\/h1\u003e\n\u003cp\u003eCANNA specifically recommends combining \u003cstrong\u003ePK 13\/14 with CANNABOOST Accelerator\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe two products perform different roles:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePK 13\/14\u003c\/strong\u003e provides additional phosphorus and potassium during the period when flowering plants demand more of these nutrients.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/growcerygardening.co.uk\/products\/canna-cannaboost-accelerator?_pos=1\u0026amp;_sid=90c448d8f\u0026amp;_ss=r\" title=\"canna boost accelerator\" target=\"_blank\"\u003e\u003cstrong\u003eCANNABOOST\u003c\/strong\u003e\u003c\/a\u003e supports plant metabolism and is designed to complement the plant's regular flowering programme.\u003c\/p\u003e\n\u003cp\u003eThey are therefore complementary products rather than substitutes for one another. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eSuitable for All Growing Media\u003c\/h1\u003e\n\u003cp\u003eCANNA PK 13\/14 isn't restricted to one growing method.\u003c\/p\u003e\n\u003cp\u003eIt can be used with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoil and potting mixes\u003c\/li\u003e\n\u003cli\u003eCoco coir\u003c\/li\u003e\n\u003cli\u003eCoco-perlite substrates\u003c\/li\u003e\n\u003cli\u003eRecirculating hydroponic systems\u003c\/li\u003e\n\u003cli\u003eRun-to-waste systems\u003c\/li\u003e\n\u003cli\u003eIndoor growing\u003c\/li\u003e\n\u003cli\u003eOutdoor growing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCANNA specifically describes PK 13\/14 as suitable for \u003cstrong\u003eevery medium\u003c\/strong\u003e, including soil, coco, recirculating systems and run-to-waste cultivation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/growcerygardening.co.uk\/collections\/houseplant-soil-potting-mix\" title=\"professional soil mixes\" target=\"_blank\"\u003e\u003cstrong\u003eExplore our Soils \u0026amp; Growing Media\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eWhether they're looking for a specialist houseplant mix, living soil or a free-draining coco-based substrate, they can choose the growing medium that best suits their plants and feeding system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eStorage \u0026amp; Care\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eShake well before use.\u003c\/li\u003e\n\u003cli\u003eAlways dilute before application.\u003c\/li\u003e\n\u003cli\u003eAdd to your normal nutrient solution.\u003c\/li\u003e\n\u003cli\u003eAvoid over-fertilising.\u003c\/li\u003e\n\u003cli\u003eStore tightly closed in a \u003cstrong\u003edark, frost-free location\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eKeep out of reach of children. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eAvailable Sizes\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e250ml\u003c\/strong\u003e – ideal for smaller growing setups or occasional use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1L\u003c\/strong\u003e – suitable for regular growers and larger plant collections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5L\u003c\/strong\u003e – economical option for larger-scale or frequent use.\u003c\/p\u003e","brand":"Growcery","offers":[{"title":"250ML","offer_id":62023365230860,"sku":null,"price":11.99,"currency_code":"GBP","in_stock":true},{"title":"1L","offer_id":62023365263628,"sku":null,"price":14.99,"currency_code":"GBP","in_stock":true},{"title":"5L","offer_id":62023365296396,"sku":null,"price":44.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/7933\/1084\/files\/250ML_cf94b3f4-4647-4a09-a0c0-f48ff51ab6b7.png?v=1786176992","url":"https:\/\/growcerygardening.co.uk\/products\/canna-pk-13-14-flowering-booster","provider":"Growcery","version":"1.0","type":"link"}