{"product_id":"thc-bloom-a-b-high-concentrate-flowering-nutrient-australia","title":"THC Bloom A+B | High-Concentrate Flowering Nutrient | Hydroponic Australia","description":"\u003ch2\u003eTHC Bloom A+B | High-Concentrate Flowering Nutrient for Australian Hydroponic Growers\u003c\/h2\u003e\n\n\u003cp\u003eFlowering is the most nutritionally demanding phase of a plant's lifecycle. The shift from vegetative growth to active flower development requires elevated phosphorus and potassium, sustained calcium availability, and a trace element profile that supports plant metabolism through weeks of high-output flower production. THC Bloom A+B delivers exactly this, in the same pharmaceutical-grade, ultra-concentrated format that makes the Total Horticultural Concentrate system one of the most efficient nutrient programs available to Australian growers.\u003c\/p\u003e\n\n\u003cp\u003eFormulated specifically for Australian water conditions, THC Bloom runs clean in all irrigation systems and maintains stable performance across the diverse tap water quality found in Melbourne, Sydney, Adelaide, and regional growing areas.\u003c\/p\u003e\n\n\u003ch3\u003eWhat THC Bloom Delivers\u003c\/h3\u003e\n\n\u003cp\u003eThe elevated phosphorus and potassium ratios in THC Bloom drive flower initiation, bud density, and final harvest weight from the first week of flower through to final ripening. The advanced chelation technology that defines the THC system keeps micronutrients available at a wider pH range than conventional bloom nutrients, which is particularly important during mid to late flower when deficiency pressure is highest and plant metabolism is running at its peak.\u003c\/p\u003e\n\n\u003cp\u003ePharmaceutical-grade purity means the formula is free from chlorides, sodium, and urea. This produces cleaner reservoirs, less salt accumulation in recirculating systems, and the clean mineral profile that supports terpene production and improved crop quality at harvest. THC Bloom is compatible with DWC, NFT, flood and drain, drip systems, coco coir, soil, and all standard indoor growing setups.\u003c\/p\u003e\n\n\u003ch3\u003eHow to Use THC Bloom\u003c\/h3\u003e\n\n\u003cp\u003eAlways add Part A to your reservoir water first and mix thoroughly before adding Part B. Start THC Bloom at 2ml per litre at the beginning of the flowering phase and increase progressively to 3 to 4ml per litre through mid-flower. Reduce EC in the final one to two weeks before harvest. Target pH range is 5.5 to 6.5 for optimal nutrient uptake.\u003c\/p\u003e\n\n\u003cp\u003eFor precise EC management through flower, the \u003ca href=\"\/products\/bluelab-combo-meter-ph-ec-temperature-australia\"\u003eBluelab Combo Meter\u003c\/a\u003e measures pH, EC, and temperature in one reading. Many growers finish with a pre-harvest flush using \u003ca href=\"\/products\/ta-flashclean-hydroponic-flush-salt-remover\"\u003eTA FlashClean\u003c\/a\u003e to clear residual salts and improve final harvest quality.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Bought Together\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/thc-grow-bloom-a-b-high-concentrate-2-part-hydroponic-nutrient-australia\"\u003eTHC Grow A+B\u003c\/a\u003e — the vegetative counterpart for the full two-stage program\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/thc-grow-bloom-complete-set-australia\"\u003eTHC Grow and Bloom Complete Set\u003c\/a\u003e — buy both stages together at a better per-litre rate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e THC (Total Horticultural Concentrate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormula:\u003c\/strong\u003e Bloom A+B — High-Concentrate Flowering Nutrient\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 1L, 5L, 20L (A+B set)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e DWC, NFT, flood and drain, drip, coco coir, soil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosage:\u003c\/strong\u003e 2 to 4ml per litre\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget pH:\u003c\/strong\u003e 5.5 to 6.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Flowering phase through to pre-harvest flush\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THC Nutrients","offers":[{"title":"1L","offer_id":43324728574015,"sku":"NTHC-B1L","price":38.95,"currency_code":"AUD","in_stock":true},{"title":"5L","offer_id":43324728606783,"sku":"NTHC-B5L","price":112.95,"currency_code":"AUD","in_stock":true},{"title":"20L","offer_id":43324728639551,"sku":"NTHC-B20L","price":332.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/thc-bloom-a-b.webp?v=1780198727","url":"https:\/\/apexgrow.com.au\/products\/thc-bloom-a-b-high-concentrate-flowering-nutrient-australia","provider":"Apex Grow","version":"1.0","type":"link"}