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BAC Hydro Grow A/B 2 x 1l
BAC Hydro Grow A/B 2x1 litre is a concentrated two-component mineral base nutrient system engineered for vegetative growth in hydroponic systems. Component A (NPK 12-0-1) and component B (NPK 4-3-5) are dosed in equal parts, delivering complete macro and micronutrient coverage with premium red chelate iron for reliable trace element uptake. Compatible with rockwool slabs, clay pebbles, mapito, perlite, and other inert hydro media. Dosing at 25–35 ml total per 10 litres at EC 1.6, this undiluted Dutch-manufactured formula provides maximum nutrient density per millilitre. Store above 8°C to prevent crystallisation. Engineered by BAC for precision hydroponic cultivation.
BAC Hydro Grow A/B 2x1 litre – precision mineral nutrition for hydroponic growth
Hydroponic cultivation operates with zero margin for nutritional error. Without substrate buffering or cation exchange capacity, every element must be immediately plant-available in solution. BAC Hydro Grow A/B is engineered for exactly this scenario: a concentrated two-component mineral system from BAC featuring component A (NPK 12-0-1) and component B (NPK 4-3-5) with premium red chelate iron, designed for direct nutrient delivery to roots in inert hydroponic media.
Substrate compatibility and hydro applications
BAC Hydro Grow A/B is formulated for the full spectrum of inert hydroponic substrates. Whether you are running rockwool slabs, clay pebbles, mapito, rockwool flakes, or perlite, this A&B system delivers consistent nutrition across all these media. The key advantage of inert substrates is complete control over the root zone environment, and BAC's undiluted formulation ensures that every millilitre of concentrate translates directly into plant-available nutrition without the variability introduced by substrate interactions.
- Component A (NPK 12-0-1): high nitrogen and calcium for cellular development and vigorous vegetative architecture.
- Component B (NPK 4-3-5): phosphorus, potassium, and magnesium for root development and metabolic efficiency.
- Red chelate iron: maintains bioavailability across the 5.5–6.0 pH range optimal for hydroponic systems.
- Storage: keep upright, dark, above 8°C to prevent mineral salt crystallisation.
Dosing and reservoir management
Apply 25 to 35 ml total per 10 litres of water (equal parts A and B), targeting an EC of 1.6. In recirculating systems, add component A to the reservoir first, circulate to mix, then add component B. For run-to-waste setups, prepare fresh solution using the same protocol. Maintain pH between 5.5 and 6.0 — the narrower optimal range for hydroponic systems compared to soil or coco. Calibrated EC and pH instrumentation is non-negotiable for effective hydro cultivation. For enhanced root establishment in the critical early growth phase, integrate the BAC Root Stimulator into your feed schedule.
Why BAC Hydro Grow outperforms standard hydro nutrients
Three factors distinguish BAC Hydro Grow A/B in the hydroponic nutrition market. First, the undiluted formulation means every millilitre delivers maximum nutrient density — a direct cost advantage over pre-diluted competitors. Second, BAC's exclusive use of red chelate iron provides superior trace element stability compared to standard green DTPA chelates, which is critical in the tightly controlled pH environment of hydro systems. Third, BAC's Vegan certification — the first in Dutch plant nutrition — ensures the formulation contains zero animal-derived ingredients. When plants transition to flowering, move to BAC Hydro Bloom A/B and consider adding the BAC F1 Extreme Booster during peak bloom for maximised flower production.
Order BAC Hydro Grow A/B 2x1 litre from our Belgian growshop for fast delivery across Belgium. Dutch-engineered hydroponic nutrition built for growers who demand precision from every feed.
What hydro substrates is BAC Hydro Grow A/B compatible with?
BAC Hydro Grow A/B is designed for all inert hydroponic substrates including rockwool slabs, rockwool flakes, expanded clay pebbles, mapito, and perlite. It is not intended for soil or coco substrates — BAC offers dedicated product lines for those media with substrate-specific NPK formulations.
What pH should I maintain in my hydro system with BAC Hydro Grow?
For hydroponic systems, maintain pH between 5.5 and 6.0 after mixing both components. This range is narrower than the 5.5–6.5 recommended for coco and significantly lower than soil's 6.0–6.5 optimum. Use a calibrated pH meter and adjust after every reservoir change or top-up.
How does BAC Hydro Grow A/B differ from BAC Coco Grow A/B?
Both are A&B two-component systems, but the NPK ratios differ to match each substrate's specific nutrient dynamics. Hydro Grow component B (NPK 4-3-5) contains more potassium than Coco Grow component B (NPK 4-3-4). Always use the formulation matched to your substrate type for optimal nutrient availability and plant performance.
Can I use BAC Hydro Grow A/B in recirculating systems?
BAC Hydro Grow A/B is suitable for both recirculating and run-to-waste hydroponic systems. In recirculating setups, monitor EC and pH daily as plant uptake alters the solution composition over time. Top up with fresh nutrient solution and perform complete reservoir changes according to the BAC feeding schedule recommendations.
