12lt Knapsack Garden Pressure SprayerThe Marksman 12L Knapsack Garden Pressure Sprayer is a reliable and easy to use solution for applying plant nutrients, pesticides, herbicides, and water across gardens, grow rooms, and hydroponic systems. Designed with a comfortable backpack (knapsack) style, it allows for extended use without strain, making it ideal for both small and larger growing areas. With a 12 litre tank capacity, this sprayer minimises the need for constant refilling,

Built with Secret Jardin's reliable R4-grade materials

making it perfect for use on indoor surfaces

strong plant development

removing the guesswork from germination and encouraging vigorous root growth — especially useful in cooler spaces or early-season starts

Manual Intensity Adjustment

Quick assembly and minimal maintenance

Built for reliability and easy installation

🧩 Compatible with all Dosatron Hobby Injectors & Hobby Systems

Designed for professional grow lighting systems

and dry indoor environments

energy-efficient lighting

Supports strong vegetative growth and flowering