Présentation du produit
Mills C4: The Flowering Stimulator for Concrete Results
Mills C4 is a flowering additive designed to support your plants throughout the fruiting phase. Its NPK 0.7-3-3 formula provides a targeted supply of phosphorus and potassium, two key elements to support the development of flowers and fruits. Whether you grow in hydroponics, coco, soil, or aeroponics, C4 easily integrates into your existing nutritional program. The GrowLED team offers this stimulator in 5 different sizes, from 250 ml to 10 L, to adapt to the size of your grow.
Technical Specifications
| Brand | Mills |
|---|---|
| Product Reference | NS-MILS0014 (250 ml) — NS-MILS0015 (500 ml) — NS-MILS0016 (1 L) — NS-MILS0017 (5 L) — NS-MILS0018 (10 L) |
| Product Type | Flowering Stimulator / Flowering Fertilizer |
| NPK Composition | 0.7 - 3 - 3 |
| Application Phase | Flowering |
| Compatible Cultivation Types | Hydroponics, Coco, Soil, Aeroponics |
| Recommended Dosage | 0.5 to 1.5 ml/L |
| Available Sizes | 250 ml, 500 ml, 1 L, 5 L, 10 L |
| Category | Nutrition & Fertilizers |
Mills C4 Usage Guide
Mills C4 is used exclusively during the flowering phase. Start with a low dosage, around 0.5 ml/L, from the first weeks of flowering, then gradually increase up to 1.5 ml/L at the peak of flowering depending on your plants' response. It is always advisable to prepare your nutrient solution in water before adding other additives, and to mix well after each addition. Always check the pH of your solution after adding C4, as any additive can change the pH of your reservoir or substrate. In hydroponics and aeroponics, also monitor the electrical conductivity (EC) to avoid exceeding your crop's target values. In coco or soil cultivation, apply C4 with each watering throughout the flowering phase for a regular and homogeneous supply. Avoid exceeding recommended doses: an excess of phosphorus or potassium can block the absorption of other nutrients.
Compatibility and Associations
Mills C4 is designed to integrate into a complete nutritional program. It combines effectively with a base fertilizer adapted to your cultivation method. If you grow hydroponically, you can combine it with a complete mineral fertilizer like P.H Perfect Technology Micro from Advanced Nutced Nutrients, which ensures a balanced supply of micro-elements while maintaining a stable pH. For soil or coco cultivation, Liquid Ocean from Hydropassion is a good organic supplement to enrich the root environment. If you are starting out or looking to optimize your growing space, the Homebox Ambient Q30 grow tent (30x30x60 cm) is a compact and practical solution for creating a controlled flowering environment. Mills C4 is also compatible with most root stimulators, enzymes, and flowering boosters on the market, provided that total doses are respected and the EC of your solution is monitored.
Frequently Asked Questions about Mills C4
What are “C4 plants”?
“C4 plants” in botany refer to a group of plants that use a particular photosynthesis mechanism, called the C4 cycle, allowing them to fix CO2 more efficiently, especially in high heat or high light conditions. Corn, sugarcane, and sorghum are classic examples. The product name Mills C4 refers to this notion of performance and photosynthetic efficiency, but the Mills C4 flowering stimulator is formulated for a wide range of indoor cultivated plants, whether or not they are C4 plants in the botanical sense.
What is C4 sugar?
The term “C4 sugar” refers to sugars produced by C4 photosynthetic plants. These plants synthesize 4-carbon compounds (hence the name C4) as intermediates in their carbon fixation cycle, before producing carbohydrates. This mechanism allows them to be more efficient in sugar production under high light. In the context of Mills C4, this reference illustrates the product's objective: to promote the production of sugars and metabolites in flowers and fruits during the flowering phase, for denser and more aromatic harvests.
Is Mills C4 compatible with all types of cultivation?
Yes, Mills C4 is formulated for use in hydroponics, coco cultivation, soil, and aeroponics. Its liquid formula easily dilutes in irrigation water or in the nutrient solution of your hydroponic system. Whatever your cultivation method, simply adjust the dosage between 0.5 and 1.5 ml/L according to the flowering stage and the sensitivity of your plants.
Can Mills C4 be used with other flowering fertilizers?
Mills C4 is a flowering additive, not a base fertilizer. It is therefore intended to be used as a supplement to a main fertilizer. You can combine it with other boosters or stimulators, but be careful not to overload your solution with phosphorus and potassium. Monitor the total EC of your solution and adjust doses accordingly. If in doubt, start with the minimum dosage of 0.5 ml/L and observe your plants' reaction before increasing.








