Premium Additives & Supplements
Specialized supplements and additives designed to boost yields, enhance quality, and optimize plant health at every stage of growth.
- Targeted nutrient supplementation
- Compatible with all base nutrients
- Proven results in all growing mediums
- Highly concentrated formulas
Power Up Your Grow
Unlock your plants' full potential with Cronk Nutrients additives — from silica strength to microbe power. Designed to work with any system for bigger, stronger, tastier results.
Calcium & Magnesium
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CalMag 2-0-0
NPK: 2-0-0
Balanced calcium, magnesium, and iron supplement that strengthens cell walls, prevents deficiencies, and improves nutrient absorption. Fully soluble and compatible with all grow systems.
- Increases bud size, density, and trichome production
- Enhances color, aroma, and flavor
- Supplies extra phosphorus and potassium for maximum bloom performance
- Fully soluble and compatible with soil, coco, and hydroponic systems
Available Sizes:
500mL
1L
4L
10L
20L
208L
1000L
PK Booster
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Bud Booster
NPK: 0-1-3
Powerful PK bloom enhancer that drives explosive flower growth, tighter bud formation, and boosted resin production. Formulated for heavy feeding during mid-to-late bloom and fully soluble for all grow systems.
- Enhances bud development and essential oil content
- Increases phosphorus and potassium for stronger flowering
- Improves aroma, flavor, and yield quality
- Fully soluble and compatible with all grow systems
Available Sizes:
500mL
1L
4L
10L
20L
208L
1000L
Organic
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Monkey Juice
NPK: Beneficial Bacteria
Live beneficial bacteria that build healthier roots and boost nutrient uptake for faster, stronger growth. Supports soil and coco systems by improving microbial life and plant resilience.
- Promotes explosive root growth and nutrient absorption
- Enhances soil and root health with beneficial microbes
- Improves plant resistance to stress
- Fully soluble and compatible with soil, coco, and drip systems.
Available Sizes:
500mL
1L
4L
10L
20L
208L
1000L
Carbohydrate
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Sticky Bandit
NPK: 0-0-1
Natural plant carbohydrate formula that feeds beneficial microbes and fuels energy production during bloom. Promotes sweeter, stickier flowers and improved flavor profiles in the final harvest.
- Provides essential carbohydrates for microbial and plant energy
- Enhances flavor, aroma, and resin production
- Supports healthy soil biology and nutrient uptake
- Fully soluble and compatible with all grow systems
Available Sizes:
500mL
1L
4L
10L
20L
208L
1000L
monosilicic acid
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Armadillo Armour
NPK: 0-0-1
Powerful monosilicic acid additive that strengthens stems, boosts growth, and builds lasting resilience. Improves plant structure, stress resistance, and overall nutrient efficiency in any grow system.
- Stronger stems and leaves
- Boosts nutrient uptake and transport
- Enhances stress and heat resistance
- Promotes thicker roots and cell structure
- Suitable for soil, coco, and hydroponic systems
Available Sizes:
500mL
1L
4L
10L
20L
208L
1000L
Organic
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PuurCalMag
NPK: 0-0-0
Organic calcium and magnesium supplement made for strong, balanced plant growth from root to tip. Builds sturdy stems, prevents nutrient deficiencies, and supports healthy fruit and flower development in any organic grow system.
- Prevents calcium and magnesium deficiencies
- Strengthens cell walls and structure
- Enhances nutrient uptake and photosynthesis
- Organic formula safe for soil, coco, and hydro systems
- Pairs perfectly with the Puur Organic Line
Available Sizes:
500mL
1L
4L
10L
20L
208L
1000L
Organic
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PuurBalance
NPK: 2-0-0
Organic conditioner designed to boost plant metabolism, nutrient absorption, and overall vitality through every stage of growth. Encourages balanced nutrition, recovery, and strength from root to canopy.
- Organic amino and micronutrient blend
- Improves nutrient uptake and balance
- Promotes steady growth and stress recovery
- Builds lasting strength from root to tip
- Suitable for all growing mediums
Available Sizes:
500mL
1L
4L
10L
20L
208L
1000L
Frequently Asked Questions
Find answers to common questions
What's the purpose of Cronk CalMag?
CalMag supplies extra calcium, magnesium, and iron to prevent common deficiencies that cause yellow leaves, brown spots, or weak stems. It's essential for strong growth, especially under LED lights or in coco coir.
When should I use Bud Booster?
Use Bud Booster (0-1-3) starting mid-flower to increase bud density, size, and resin production. It works best when used with Bloom nutrients during weeks 4–7 of flowering.
What does Sticky Bandit do for plants?
Sticky Bandit is a carbohydrate additive that feeds beneficial microbes and boosts plant energy during bloom. It helps plants produce sweeter, stickier flowers and improves overall yield.
What's in Monkey Juice and why is it important?
Monkey Juice contains beneficial bacteria that improve root health and nutrient uptake. It builds a stronger root zone, reduces stress, and keeps your medium alive with good microbes.
How does Armadillo Armour help plants?
Armadillo Armour is made with monosilicic acid, a premium form of silica. It strengthens cell walls, helps plants handle stress, and improves stem strength and disease resistance.
What's the difference between CalMag and PuurCalMag?
Both supply calcium and magnesium, but PuurCalMag is organically derived and designed for growers using the Puur Organic Line. It's gentle, clean, and OMRI-style compatible.
Can I use multiple additives at once?
Yes — each Cronk additive serves a unique role. You can safely combine them following your feed chart for bigger yields, stronger plants, and improved flavor.
Legal Disclaimer
Important Information for Our Customers
At Cronk Nutrients, we are committed to providing high-quality liquid plant fertilizers suitable for a variety of horticultural applications. Our products are designed for legal and responsible use by home growers and gardening enthusiasts. We do not condone or promote the use of our products for illegal purposes.
Customers are responsible for adhering to their local and state laws regarding plant cultivation. It is the sole responsibility of the customer to ensure compliance with all applicable laws and regulations. Cronk Nutrients will not be liable for any misuse of our products in violation of any laws.
By purchasing our products, the customer acknowledges their obligation to comply with the legal standards set forth in their jurisdiction and agrees to use our products in accordance with these laws. Cronk Nutrients reserves the right to refuse service to anyone suspected of using our products for illegal cultivation.
Thank you for choosing Cronk Nutrients for your plant nutrition needs. Grow with confidence, grow legally.