5Ltr CalMag – Plant Nutrient | Essential Calcium and Magnesium Supplement (5Ltr, Calmag)
£19.99
Price: £19.99
(as of Dec 19, 2025 15:26:11 UTC – Details)
Product Description
Growth Enhancer
Elevate Growth with BOOST Formula
Unleash potential with BOOST. It’s crafted for accelerated growth & robust health in plants.
Cal-Mag Supplement
Fortify Plants with CALMAG Balance
Essential CALMAG blend. Perfect for strengthening plant structure & enhancing vitality.
Flowering Booster
Ignite Flowering with BUD IGNITION
BUD IGNITION for explosive bloom. Maximises flowering phase for stunning results.
Natural Enhancer
Boost Health with ENZYME Action
ENZYME: a natural catalyst. Promotes healthy growth & nutrient absorption in plants.
Bloom Strengthener
Achieve Peak Bloom with Flower Hardener
Flower Hardener ensures robust, dense, lasting blooms. Elevate your flowers to their full glory.
1 BOOST: Plant Vigour
2 CALMAG: Essential Mix
3 BUD IGNITION: Bloom
4 ENZYME: Vital Health
5 Harder Blooms Await
Unlock Plant Potential with UKGROW’s Complete Nutrient Spectrum 
Maximise Growth with UKGROW
UKGROW: Essential Macronutrients, vital Micronutrients, and resilience-boosting Elements for superior hydroponic health.
Macronutrients
The powerhouse trio of Nitrogen, Phosphorus, and Potassium. Unleash unparalleled leaf, stem, and root growth for a thriving hydroponic garden.
Micronutrients
Essential for photosynthesis and plant vitality in your hydroponic garden.
Additional Elements
Strengthen plants with UKGROW’s Additional Elements. Silicon and Cobalt for enhanced resilience and growth.
Explore the Full Power of Nature with UKGROW Nutrients Your Gardens Perfect Ally
Welcome to the world of UKGROW Nutrients, where we harness the bounty of nature to bring you an unparalleled range of plant nutrition solutions. Our comprehensive collection is thoughtfully designed to cater to every stage of your plant’s life cycle, ensuring lush growth, vibrant blooms, and robust health.
Why Choose UKGROW Nutrients?
Advanced Formulations: Every product in our range, from BOOST to SI Mono Silicic Acid, is backed by scientific research and tailored to meet the specific needs of plants. Experience the difference with our scientifically formulated nutrients.Natural Ingredients: We believe in the power of nature. Our products are crafted with natural ingredients, ensuring your plants receive the best care without harmful chemicals.Tailored Solutions for Every Stage: Whether you’re nurturing seedlings with CALMAG or igniting bloom with BUD IGNITION, our range offers targeted solutions for every phase of growth.
Our Flagship Products 
Maximise Bloom with PK 9/18 Formula
Introducing PK 9/18 – the ultimate flowering booster. Expertly crafted to enhance bloom size and density, this unique formula provides a precise balance of Phosphorus (P) and Potassium (K), essential for optimal floral development. Witness an explosion of vibrant, healthy blooms.
Fortify Plants with SI Mono Silicic Acid
Elevate plant resilience with SI Mono Silicic Acid. This advanced formula is a game-changer in plant nutrition, offering superior absorption and effectiveness. It strengthens plant cell walls, enhancing resistance against stress factors like drought and disease.
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Customer Reviews
3.7 out of 5 stars 31
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3.7 out of 5 stars 31
3.7 out of 5 stars 31
3.7 out of 5 stars 31
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Price
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What makes UKGROW Nutrients unique?
UKGROW Nutrients are formulated with a focus on natural ingredients and scientific research. Our range provides tailored solutions for every stage of plant growth, ensuring optimal health and vitality.
How do I choose the right UKGROW nutrient for my plants?
Consider the specific needs of your plants at their current growth stage. For instance, use CALMAG for seedlings and young plants, BUD IGNITION for flowering plants, and PK 9/18 for plants in the blooming phase.
Can I use multiple UKGROW products together?
Indeed! Our products are designed to work in harmony. You can use different products concurrently, depending on the specific needs of your plants at different growth stages.
How often should I use UKGROW Nutrients?
Follow the guidelines provided with each product. Generally, regular application is recommended for consistent results, but it varies based on the product and your plant’s needs.
Is customer support available for guidance on using UKGROW Nutrients?
Absolutely! Our knowledgeable customer support team is available to assist you with any queries about using our products effectively.
Supports Nutrient Absorption: Calcium facilitates nutrient uptake and transportation within the plant, optimizing nutrient absorption. Magnesium is a key component in enzyme systems involved in nutrient assimilation. Cal-Mag ensures your plants can efficiently utilize the nutrients available, maximizing their potential.
Enhances Photosynthesis: Magnesium is essential for chlorophyll synthesis, the pigment responsible for photosynthesis. By providing an adequate supply of magnesium, Cal-Mag promotes efficient energy production and robust plant metabolism, leading to vibrant and thriving plants.
Ideal for Various Crops: Cal-Mag is suitable for a wide range of hydroponically grown crops, including vegetables, herbs, and flowering plants. Whether you’re cultivating leafy greens or blooming flowers, Cal-Mag provides the essential nutrients required for optimal growth.
Easy to Use: Cal-Mag is conveniently available in a liquid form, allowing for effortless application. Simply add the recommended dosage to your hydroponic system, and let Cal-Mag work its magic.
Reliable and Effective: Our Cal-Mag supplement is trusted by hydroponic enthusiasts and professionals alike. Countless growers have experienced the exceptional benefits of Cal-Mag in their gardens.
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