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BAC Soil Bloom 5 l
BAC Soil Bloom 5 litres is the large-format edition of BAC's undiluted 1-component mineral bloom nutrient, engineered for high-volume soil cultivation during the flowering phase. The NPK 6-1-4 formula with premium red chelate iron is identical to the 1-litre version, delivering complete macro and micronutrient coverage at a significantly lower cost per dose. At 30–45 ml per 10 litres of water with progressive EC targeting from 1.8 to 2.2, this 5-litre container produces over 1,100 litres of bloom nutrient solution. Designed for container and full-ground soil setups across multiple flowering cycles. Also available in 1 litre for trial or compact grows. Scale your bloom nutrition with BAC.
BAC Soil Bloom 5 litres – scaled mineral bloom nutrition for serious soil growers
When flowering performance matters at scale, BAC Soil Bloom 5 litres delivers the same undiluted quality as its 1-litre counterpart but sized for growers managing larger canopies and extended grow calendars. Manufactured by BAC in the Netherlands, this 1-component mineral bloom formula features an NPK ratio of 6-1-4 with red chelate iron — the same premium trace element package that defines the entire BAC mineral range. No A&B complexity, no dilution, just concentrated bloom nutrition ready to fuel productive flowering cycles on soil.
Concentrated bloom formula — maximising value at scale
The 5-litre format is where BAC's undiluted formulation philosophy delivers its strongest economic argument. At a dosing rate of 30–45 ml per 10 litres, a single container yields between 1,100 and 1,600 litres of bloom solution depending on the dosing stage. For growers running multiple cycles annually or managing more than a handful of plants, this translates to a measurably lower cost per feed compared to the 1-litre format. The concentrated formulation also means less packaging waste and fewer reorders disrupting your supply chain mid-bloom.
- Volume efficiency: 5 litres of concentrate produces 1,100–1,600 litres of ready-to-use bloom solution.
- Cost optimisation: significantly reduced price per millilitre versus the 1-litre format.
- Zero dilution: identical undiluted NPK 6-1-4 formula with red chelate iron at full concentration.
EC progression strategy through flowering
Effective bloom nutrition requires dynamic EC management that tracks the plant's evolving nutritional demand. BAC Soil Bloom is dosed at 30 ml per 10 litres in early bloom, targeting an EC of 1.8, then gradually increased to 45 ml per 10 litres at EC 2.2 during peak flowering. This progressive approach ensures plants receive appropriately scaled nutrition at every stage — preventing both underfeeding during critical flower development and salt buildup from excessive early dosing. Always verify with calibrated EC and pH instrumentation for precision control over nutrient delivery.
Complete BAC soil bloom programme
BAC Soil Bloom 5 litres is the flowering-phase anchor of a full BAC mineral soil programme. It follows directly from BAC Soil Grow 5 litres in the vegetative phase, maintaining product consistency and formulation synergy throughout the entire grow cycle. To enhance flower density and yield during peak bloom, integrate the BAC F1 Extreme Booster — a concentrated PK additive engineered for use across all substrates and compatible with any base nutrient brand. For flower quality refinement, the BAC Bloom Stimulator adds targeted flowering support that complements the base NPK delivery of Soil Bloom.
Order BAC Soil Bloom 5 litres from our Belgian growshop with fast shipping across Belgium. Professional-grade Dutch bloom nutrition, built for growers who measure results by the harvest.
How many litres of bloom solution does BAC Soil Bloom 5L produce?
At the average dosing rate of 35 ml per 10 litres, one 5-litre container yields approximately 1,400 litres of ready-to-use bloom solution. At minimum dosing of 30 ml, this extends to roughly 1,600 litres. Actual coverage depends on plant count, container volume, and watering frequency across your flowering cycle.
Is BAC Soil Bloom 5 litre the same formula as the 1 litre?
The formulation is identical across all BAC Soil Bloom formats. Both contain the same undiluted 1-component mineral bloom nutrient with NPK 6-1-4 and red chelate iron. The only variable is container volume and unit cost, with the 5-litre format offering superior per-dose economics.
What EC should I target when using BAC Soil Bloom?
Target EC 1.8 in early flowering and progressively increase to EC 2.2 during peak bloom. This graduated approach matches the plant's increasing nutritional requirements as flowers develop and mature. Always use a calibrated EC meter and adjust based on plant response and specific substrate conditions.
Can I combine BAC Soil Bloom with the F1 Extreme Booster?
BAC Soil Bloom and the F1 Extreme Booster are designed to work together during the flowering phase. The F1 Extreme Booster provides supplemental phosphorus and potassium during peak bloom to drive flower mass and density. Follow the BAC feeding schedule for optimal timing and combined dosing ratios to avoid overfeeding.