Description
GHE Bloom 5L is the dedicated flowering-stage nutrient solution from General Hydroponics Europe, formulated to deliver the elevated phosphorus and potassium levels that fruiting and flowering plants demand during their most productive phase. We have been recommending GHE Bloom to UK growers since 2017 as a cornerstone of the acclaimed GHE Flora Series three-part system.
Why GHE Bloom Is the Foundation of a High-Performance Nutrient Programme
The transition from vegetative growth to flowering represents the most nutritionally demanding period of a plant’s life cycle. Phosphorus drives root expansion and energy transfer for flower initiation, while potassium regulates water and nutrient uptake, strengthens cell walls, and contributes directly to brix — the measure of sugars and dissolved solids that underpin flavour, aroma, and yield. GHE Bloom is pH-buffered, chelated for broad-spectrum nutrient availability, and compatible with all hydroponic and coco systems. The 5L format is ideal for medium-scale operations, striking the balance between buying in bulk and maintaining fresh nutrient stock. Used alongside GHE Micro and GHE Grow, it gives growers precise, adjustable control over the complete NPK and micronutrient profile at every stage of growth.
How to Use GHE Bloom in Your Feed Programme
Start introducing GHE Bloom at the first signs of pre-flowering, gradually increasing the ratio relative to GHE Grow as the plant commits fully to reproduction. During peak flowering, Bloom becomes the dominant component of your feed mix, with Micro maintained as the micronutrient and chelation anchor. Target EC levels vary by crop and system — your GHE feed chart provides baseline ratios, but experienced growers adjust based on plant response and run-off readings. The 5L size delivers enough concentrate for dozens of reservoir fills, making it cost-effective for home and small commercial growers alike. Always mix Micro first to avoid nutrient lockout. Pair with GHE Ripen for your final pre-harvest flush and push, and browse our full GHE nutrient range for the complete Flora Series lineup.
Browse the full range: Explore our complete New Products range at The Horticulture Company. Also in this range: IONIC CALMAG PRO, UGRO XL BASIC 70LITRE, EXHALE CO2 BAG, PLANT !T YOYO (PACK OF 8).







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