Description
Rock Resinator 5 Litre is a premium, phosphorus and potassium enriched flowering booster from Rock Nutrients, formulated to significantly increase essential oil production, flower density, and overall yield weight during the critical mid-to-late flowering stage. We have been recommending Rock Nutrients to serious UK growers since 2017 as a Canadian nutrient brand with a strong reputation for high-performance formulations and consistent batch quality, and Rock Resinator is one of their most popular and proven bloom additives.
How Rock Resinator Maximises Flower Quality and Yield
The transition from early flower to mid-late bloom is the period when plants are most responsive to elevated phosphorus and potassium input. Phosphorus drives cellular energy transfer and flower development — adequate P availability during this stage directly determines the number and size of flower sites that can be sustained simultaneously. Potassium supports the translocation of sugars from leaves to developing flowers, which is the primary driver of flower bulk and resin production. Rock Resinator provides both elements in a highly soluble, plant-available form, but the formula goes beyond simple PK boosting by including carbohydrates and plant extracts that have been shown to enhance terpene and essential oil production — the compounds responsible for flavour, aroma, and market-grade resin quality. The result is a measurable increase in both the weight and quality of harvested flowers. The 5-litre size provides a significant supply for commercial-scale or multi-tent operations, making it economical for growers who use bloom boosters consistently across multiple cycles.
How to Use Rock Resinator in Your Flowering Programme
Introduce Rock Resinator from week 3 of flower onward, starting at 1–2 ml per litre and building to 3–4 ml per litre by weeks 5–7 as flower development peaks. Reduce or phase out in the final 1–2 weeks before flush to allow the plant to draw down residual compounds. Always add to your main nutrient mix after Part A and B, and adjust pH after all additions. Monitor EC and reduce base nutrient rates slightly if running higher Resinator doses to avoid over-fertilising. Compatible with all base nutrient programmes including coco, soil, and hydroponic systems.
Pair Rock Resinator with Rock Base A&B nutrients and Rock Fusion Bloom for the complete Rock Nutrients flowering programme. Browse our full range of bloom boosters and flowering additives for UK growers seeking maximum yield and quality.
Browse the full range: Explore our complete New Products range at The Horticulture Company. Also in this range: IONIC CALMAG PRO, UGRO XL BASIC 70LITRE, EXHALE CO2 BAG, PLANT !T YOYO (PACK OF 8).



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