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For the Growing Blocks, we recommend using a nutrient solution with EC 2 mS/cm and a pH range of 5.5-5.8 during wet-up for optimal block preparation (read more in this article about pH and EC).

Cultiwool is produced from high-quality basalt rock, not slag wool. This ensures purity, durability, and consistent performance in every batch (Learn more in our article on the differences between slag wool and high-quality stone wool).

The donut ring design ensures uniform irrigation by guiding water evenly across the block, reducing dry spots and improving root distribution (you can read more about it in this article about Cultiwool’s product features).

Yes. As Cultiwool, we know and understand that every grower and facility has unique needs. We can provide custom-cut slabs, blocks, or plugs upon request. Contact us to explore possibilities.

Cultiwool Prime uses a natural, sugar-based binder. It is a more sustainable alternative to conventional chemical binders, supporting environmentally friendly cultivation.

Yes, we offer trial kits and small test batches to allow you to evaluate performance under your specific growing conditions. Please reach out to our team to set a trial.

Yes, and our team is here to assist you in this process. Ensure your irrigation system can handle more frequent, smaller events, and use pressure-compensated drippers for uniform watering (Find detailed guidance in our Knowledge Base, or Contact us).

Opti-Drain refers to the cross-groove pattern at the base of Cultiwool blocks. It ensures optimal drainage and flexibility in placement orientation, improving labor efficiency and root zone health (you can read more about it in this article about Cultiwool’s product features).

Yes! Our team offers technical guidance and cultivation advice to help you make the most of the Cultiwool substrates (Contact us here).