Quick Answer Rock Burst is a naturally derived flowering additive for use during the first three weeks of flowering. The 1L formula combines organic acids, plant extracts, mineral salts, seaweed-derived micronutrients and silica. Shake well and follow the system-specific label rate. Product Description Rock Burst is designed to complement an established flowering nutrient program rather than replace a base nutrient. ROCK describes the corresponding formula as a concentrated blend of naturally derived active ingredients for flowering plants, including organic acids, plant extracts, mineral salts and micronutrients derived from seaweed. The product is intended for early flowering use. Its silica content is included as part of the formulation, while crop response will depend on the plant variety, environment, irrigation and overall feeding program. Key Features Naturally derived flowering-stage additive. Contains organic acids, plant extracts and mineral salts. Includes seaweed-derived micronutrients and silica. Suitable for flowering plants in recirculating, soil and run-to-waste systems when used as directed. Designed for use within the first three weeks of flowering. Concentrated 1L size. Available Size and Variant Shopify option Size Available variant 1L Format Liquid flowering additive Specifications Brand ROCK Product Rock Burst Product type Flowering additive Size 1 litre Application stage First three weeks of flowering Recirculating rate 3 mL per litre of nutrient solution for one week Soil rate 5 mL per litre of nutrient solution; apply 10 litres of solution per square metre Run-to-waste rate 5 mL per litre of working nutrient solution for at least 10 days Listed components Organic acids, natural plant extracts, mineral salts, seaweed-derived micronutrients and silica Package Contents 1 × Rock Burst 1L bottle. Directions for Use Shake well before use. Use within the first three weeks of flowering. For a recirculating system, add 3 mL per litre to the main reservoir and run for one week. Add water and nutrients as required. For soil-grown plants, mix 5 mL per litre and apply 10 litres of prepared solution per square metre of growing area. For a run-to-waste system, mix 5 mL per litre of working nutrient solution and ensure plants receive the solution for at least 10 days. Important: Follow the current label supplied with the product. If its directions differ from this page, use the label directions. Care, Storage and Safety Keep the container closed when not in use. Store upright in a cool, dry place away from direct sunlight and extreme temperatures. Keep out of reach of children and animals. Avoid contact with eyes and skin, and wash hands after handling. Do not exceed the current label rate. Buyer FAQs What is Rock Burst? Rock Burst is a concentrated, naturally derived flowering additive designed to complement an established nutrient program. When should Rock Burst be used? Use it within the first three weeks of flowering, following the product label. How much Rock Burst should I use in a recirculating system? Use 3 mL per litre in the main reservoir for one week, then maintain water and nutrients as required. What is the rate for soil or run-to-waste? Use 5 mL per litre. For soil, apply 10 litres of prepared solution per square metre. For run-to-waste, provide the solution for at least 10 days. Does Rock Burst replace a base nutrient? No. It is a flowering additive and should be used alongside an appropriate nutrient program. What does the formula contain? The listed formulation includes organic acids, natural plant extracts, mineral salts, seaweed-derived micronutrients and silica. Which size is available on this product page? The live Shopify listing offers one 1L variant. Are crop results guaranteed? No. Results vary with plant variety, environment, irrigation and the wider feeding program.