Grodan Stone Wool A-OK Plugs 1.5 inch X 1.5 inch Organic Bloom Nutrients pH and temperature meter all

pH and temperature meter all in one

Ideal for hobbyists

so each pack runs with margin

pH Perfect Micro and pH Perfect Bloom nutrients

Grodan Stone Wool A-OK Plugs 1.5 inch X 1.5 inch Organic Bloom Nutrients pH and temperature meter allGrodan Stone Wool A OK Plugs 1. 5 inch X 1. 5 inch Introducing the Grodan Stone Wool A OK Plugs 1. 5"x1. 5", renowned for their homogeneity and reliability. These plugs are the ideal foundation for automated processing, uniform germination, and a high success rate when pricking out. Each plug boasts a uniform density, firmness, and fibrous structure. This uniformity extends to the distribution of water, nutrients, and pH value throughout the plug,