Dutch Nutrient Hydro-Organic Gro - 1 litre

Total Nitrogen is important because it directly drives leafy growth, chlorophyll production, and overall growth speed, which sets the pace for the entire plant. It’s unique because the “total” number can include different nitrogen forms that behave differently in the root zone, meaning the same total amount can produce very different results depending on the nitrogen type and plant stage.

Ammoniacal Nitrogen (N) is a plant-available form of ammonium (NH₄⁺) that provides a steady, gentle source of nitrogen for healthy green growth. Unlike fast-release nitrogen types, ammoniacal nitrogen feeds plants slowly, helps stabilize root-zone pH, and works well in cooler temperatures. It is commonly used during early vegetative growth because it supports strong leaf development without burning young roots. If plants show pale leaves, slow growth, or weak stems, they may need more available ammoniacal nitrogen.

Nitrate Nitrogen provides a stable, easy-to-absorb form of nitrogen that supports steady growth, strong foliage, and reliable plant development without sudden nutrient swings.

Water-soluble nitrogen is important because it dissolves in water and becomes available to plants quickly, helping drive fast green growth, strong photosynthesis, and rapid recovery from nitrogen deficiency. It’s unique because it works immediately rather than relying on slow breakdown or conversion, so it delivers faster results—but also requires more careful control to avoid overfeeding, soft growth, or nutrient imbalance.

Available Phosphate (P₂O₅) supports root development, energy transfer, and early structural growth by providing a form of phosphorus that plants can absorb and use quickly.

Available Potash (K₂O) supports strong growth by improving water movement, strengthening plant cells, regulating sugar transport, and helping plants handle stress, making it essential for overall plant health and resilience.

Ammonium hydroxide is important because it delivers immediately available ammonium nitrogen that can green plants up and drive fast vegetative growth, but it’s unique because it can shift pH quickly and change nutrient uptake balance, which is why too much can cause burn, lockout, or calcium and magnesium issues even when those nutrients are present.

Bat guano is different because it can deliver a noticeable nutrient boost while also feeding the soil microbes that release and cycle nutrients around roots, so plants often respond with stronger green growth or heavier flowering faster than with many other natural amendments. It’s important because its concentration means a small dose can shift plant performance quickly, and that same strength is what makes it unique and worth using carefully for targeted results instead of constant feeding.

Ammonium nitrate is unique because it provides nitrogen in two plant-usable forms at once, which can give a fast green-up while still supporting steadier uptake depending on the root-zone conditions. That matters because it can correct true nitrogen shortages quickly, but it also needs careful balance since too much can push overly soft growth and trigger pH drift and nutrient imbalances.

Citric acid helps improve nutrient availability by gently lowering pH and binding certain minerals so they stay more usable for roots, which can reduce common lockout symptoms like pale new growth. It’s unique because it influences nutrient behavior beyond pH alone, making it especially helpful when nutrients are present but not being absorbed efficiently.

Yes, it can if it pushes phosphorus too high or drives pH too low, because both conditions can reduce the plant’s ability to take up key micronutrients and calcium even when they’re present in the feed, which makes phosphoric acid uniquely powerful compared with slower, gentler phosphorus sources.

Protein hydrolysate supplies fast-acting amino acids and short peptides that support root development, nutrient efficiency, and stress recovery without acting like a standard fertilizer. It’s unique because the peptide fraction can influence plant signaling and resilience, so the benefit is often steadier growth and quicker bounce-back rather than a simple “more nutrients” effect.

Kelp extract supports plant growth by acting as a biostimulant that helps roots stay active, improves stress tolerance, and encourages steadier new growth without functioning like a heavy fertilizer. It’s unique because it influences plant processes and recovery more than it supplies major nutrients, so it works best as supportive “management help” rather than a direct N-P-K replacement.

Sea bird guano is often better for fast growth because it can release plant-available nutrients quicker than many other organic amendments while still supporting root-zone biology, but that speed is exactly what makes it different and easy to overuse. Used lightly, it can correct mild hunger and energize growth; used too heavily, it can cause dark clawed leaves, tip burn, and nutrient lockouts that slower organics are less likely to trigger.