What is Professor’s Nutrients Organic Grow Fast used for?
Organic Grow Fast is a certified organic vegetative growth booster designed to speed up early plant development. It increases nitrogen availability to drive faster leaf and stem growth, build stronger plant mass, and help shorten the veg cycle when used alongside a base nutrient program.
When should I use Organic Grow Fast, and when should I stop?
Use it during the vegetative stage, starting around week two of active growth. Stop at the beginning of flowering. It’s nitrogen-forward, so continuing into flower can push leafy growth instead of bud or fruit development.
How much Organic Grow Fast should I use?
Use 2–4 mL per litre of water. Start at 2 mL/L and only increase if plants are clearly thriving and hungry. Consistent, moderate feeding works better than heavy, irregular doses—especially in smaller pots with limited buffering.
Can I use Organic Grow Fast with my existing veg nutrient?
Yes. Organic Grow Fast is designed as a booster, not a full base nutrient. It’s typically layered into a standard vegetative feeding plan to push stronger, faster growth when plants need more nitrogen support.
What growing media is Organic Grow Fast compatible with?
It can be used in soil, coco coir, hydroponics, and inert media such as rockwool, perlite, vermiculite, and expanded clay. It’s suitable for indoor and outdoor gardens when mixed and managed correctly.
Is Organic Grow Fast certified organic and safe for edible plants?
Yes. It carries Organic Food Chain approval and is suitable for vegetables, herbs, fruiting plants, and ornamentals when used as directed. As with all fertilisers, store securely and avoid ingestion.
What nutrients are in Organic Grow Fast?
It’s nitrogen-forward (around 3.9% N) with lower phosphorus and potassium, plus calcium, magnesium, sulphur, trace elements, seaweed extracts, amino acids, and humic and fulvic acids to support nutrient uptake and soil biology.
Do I need to adjust pH when using Organic Grow Fast?
Often yes. Organic nutrients can slightly lower pH, so it’s smart to check and adjust to your usual target range—especially in coco or hydro. Water quality also matters, as high-alkalinity water can cause pH drift.
Can Organic Grow Fast cause nutrient burn or overly leafy growth?
If overused, yes. Signs include very dark green leaves, soft or weak stems, and burnt tips. If that happens, reduce the dose and let the plant stabilise. The goal is strong structure, not excessive, lush growth.
Can I mix Organic Grow Fast with Cal-Mag, seaweed, or microbes?
Yes, but only with intention. It already contains calcium, magnesium, and seaweed-derived inputs, so avoid stacking products at full strength. Add one product at a time, mix well, and monitor plant response.
Is Organic Grow Fast suitable for hydro systems and drip irrigation?
Yes, but like all organic inputs, it requires good system hygiene. Mix thoroughly, avoid letting solution sit, and flush lines periodically to prevent buildup in drippers or irrigation lines.
How do I mix and store Organic Grow Fast properly?
Shake well before use, as organic components can settle. Add to water, mix thoroughly, and use fresh solution rather than leaving it overnight. Store sealed, out of direct sun, and away from heat.
Can Organic Grow Fast help yellowing leaves?
If yellowing is caused by nitrogen deficiency, it can help restore healthy green growth. If the issue is pH imbalance or micronutrient lockout, correct the root cause first for best results.
How do I know Organic Grow Fast is working?
You’ll typically see faster new growth, stronger stems, improved leaf colour without excessive darkness, and quicker overall plant fill-out during veg. Results depend on light, temperature, and root health as much as feeding.
