Emerald Harvest - pH Up Bulky To see our full Water

To see our full Water Heaters & Chillers range

follow up with a second bomb 7–10 days later to catch newly hatched mites

Canna Calmag Agent - Concentrate for buffering soft or RO water

Run-Off & Work Trays

so there's also very little waste to deal with once you're done

Emerald Harvest - pH Up Bulky To see our full WaterEmerald Harvest pH Up 3. 79L This weak base buffer fixes imbalances in nutrient solutions and hydroponic systems, keeping plants under stable conditions. When the pH becomes too acidic (low), simply add the required amount of pH Up to bring your reservoir into its ideal range. The formulation is gentle enough not to harm the substrate and only needs a small amount to serve its purpose. With a steady pH, plants can grow without stress and are less