{"product_id":"plagron-nutrients-alga-bloom","title":"Plagron Nutrients - Alga Bloom","description":"\u003csection class=\"gh-product-listing\"\u003e\n\n\u003ch2\u003ePlagron Alga Bloom — Certified Organic Bloom Nutrient for Soil Growing\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Organic soil growers wanting a single-part bloom nutrient that works with nature, not against it\u003c\/p\u003e\n\n\u003cdiv class=\"gh-our-thoughts\" role=\"note\" aria-label=\"Our thoughts\"\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eOur thoughts\u003c\/strong\u003e\u003cbr\u003e\nAlga Bloom is a proper organic nutrient that does the job without overcomplicating things. One-part application, certified organic, and it genuinely supports soil life rather than bypassing it. The algae extract tech actually speeds up nutrient availability, which matters when you're working with organic conversions. Good value for a certified product.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003ePlagron Alga Bloom is a \u003cstrong\u003ecertified organic base nutrient\u003c\/strong\u003e designed specifically for the flowering phase of soil-based growing. Built on algae extract technology and packed with amino acids, it delivers balanced nutrition whilst actively improving soil structure and microbial activity. This is organic nutrient that treats soil as a living system, not a delivery mechanism.\u003c\/p\u003e\n\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eSits in the \u003cstrong\u003emid-range organic bloom category\u003c\/strong\u003e, competing directly with BioBizz and CANNA.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore balanced phosphorus-potassium ratio than BioBizz Bio Bloom (3-2-5 vs 2-7-4)\u003c\/li\u003e\n\u003cli\u003eCertified organic like BioBizz, but with algae-extract acceleration — faster nutrient cycling in soil\u003c\/li\u003e\n\u003cli\u003eSingle-part application, no complex mixing or additional boosters required\u003c\/li\u003e\n\u003cli\u003eWorks soil-only, so not an option for hydro growers\u003c\/li\u003e\n\u003cli\u003eEstablished brand — 25+ years in production, proven track record\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage guidance\u003c\/h3\u003e\n\u003cp\u003eSimple to use. One-part nutrient, no balancing act required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDosage\u003c\/strong\u003e\u003cbr\u003e\nAdd 4 ml per litre of water (1:250 ratio). Apply this solution every time you water during the flowering phase. That's it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTiming\u003c\/strong\u003e\u003cbr\u003e\nStart from week four of your growing cycle. Organic nutrients take roughly two weeks to convert through soil life, so patience matters here — this is not a quick-fix booster, it's a system nutrient.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCombine with Alga Grow\u003c\/strong\u003e\u003cbr\u003e\nUse Alga Grow during the vegetative phase, then switch to Alga Bloom for flowering. Plagron designed these to work together across your entire cycle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003epH and EC\u003c\/strong\u003e\u003cbr\u003e\nWith natural substrates, you don't need to adjust pH or EC values. Soil life handles this automatically. The organic compounds and amino acids in Alga Bloom actually stimulate this process — one less thing to worry about.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNormal cloudiness\u003c\/strong\u003e\u003cbr\u003e\nThe solution may look cloudy once dissolved. This is the organic ingredients doing their job and natural bacterial processes starting. Perfectly normal, no impact on plants.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNPK ratio: \u003cstrong\u003e3-2-5\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal nitrogen: \u003cstrong\u003e3.3% (organically bound)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePhosphorus (P₂O₅): \u003cstrong\u003e2.3% (water-soluble)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePotassium (K₂O): \u003cstrong\u003e5.4% (water-soluble)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eKey ingredients: \u003cstrong\u003eAlgae extract, amino acids (20+ varieties), beet vinasse, trace elements\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTrace elements included: \u003cstrong\u003eIron, boron, molybdenum, copper, manganese, zinc\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCertification: \u003cstrong\u003eControl Union certified organic\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRecommended dosage: \u003cstrong\u003e4 ml per litre water\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eShelf life (unopened): \u003cstrong\u003e4 years\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eShelf life (opened): \u003cstrong\u003e6 months guaranteed\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable sizes: \u003cstrong\u003e100 ml, 250 ml, 500 ml, 1 L, 5 L, 10 L, 20 L\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for: \u003cstrong\u003eSoil and coir-based growing only — not for hydroponic systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic soil growers who want certified products and clean growing practices\u003c\/li\u003e\n\u003cli\u003eSoil-based indoor growers looking for a straightforward, single-part bloom nutrient\u003c\/li\u003e\n\u003cli\u003eBudget-conscious growers wanting mid-range organic quality without premium markup\u003c\/li\u003e\n\u003cli\u003eGrowers who understand that organic nutrition takes patience but delivers better soil long-term\u003c\/li\u003e\n\u003cli\u003eAnyone already using Plagron Alga Grow who wants a matched system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOur take\u003c\/h3\u003e\n\u003cp\u003eThis is a solid organic bloom nutrient that respects soil as a living thing, not a substrate to push past. The algae extract and amino acid blend actually speed up nutrient conversion, which addresses the main complaint about organic nutrients — waiting for soil life to do the work. You're getting certified quality at a reasonable price point, and it genuinely delivers results.\u003c\/p\u003e\n\u003cp\u003eIf you're running organic soil and want something reliable that won't stress the budget, worth picking up. Does exactly what a flowering nutrient should do, and leaves your soil better than you found it.\u003c\/p\u003e\n\n\u003c\/section\u003e\n```","brand":"PLAGRON","offers":[{"title":"500ml","offer_id":47916065783978,"sku":"905955","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"1 Litre","offer_id":47916065816746,"sku":"811111","price":12.99,"currency_code":"GBP","in_stock":true},{"title":"5 Litre","offer_id":47916065849514,"sku":"811112","price":63.99,"currency_code":"GBP","in_stock":true},{"title":"10 Litre","offer_id":47916065882282,"sku":"905953","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"250ml","offer_id":47916065915050,"sku":"905954","price":5.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/5540\/5400\/files\/811111_-_1_litre.jpg?v=1769186805","url":"https:\/\/growershouse.co.uk\/products\/plagron-nutrients-alga-bloom","provider":"Growers House ","version":"1.0","type":"link"}