Grodan Pargro Jumbo, 6 x 6 x 4, w/Hole, Case of 64

Basalt Stone Wool Block for Consistent Propagation, 6x6x4

Grodan Pargro Jumbo is a lightweight basalt stone wool growing media that delivers consistent results without the need for sophisticated irrigation schedules.

This 6in x 6in x 4in block, with hole, ships in a case of 64 and offers quick, balanced drain with moderate water-holding capacity via black/white foil technology.

Key Features & Benefits

• Basalt Stone Wool Media — lightweight and highly uniform substrate
• Pathogen, Disease & Seed-Free — inert material won't add or hold back nutrients
• Black/White Foil Technology — quick, balanced drain with moderate water-holding capacity
• Rapid Water Distribution — excellent re-saturation for consistent results

Who Should Use Grodan Pargro Jumbo

Suited to boutique and craft grow operations, and growers advancing from coco, peat, or soil into stone wool.

About Grodan Pargro

Pargro is a Grodan stone wool product line made in popular sizes for a range of growing situations, offering rapid water distribution and re-saturation.

Frequently Asked Questions

What is Pargro made from?

Lightweight stone wool made from basalt rock.

Is the material inert?

Yes, it will not add or hold back nutrients, giving full control over feeding.

What size and pack does this come in?

6in x 6in x 4in, with hole, case of 64.

Does it support easy WC management?

Yes, it is easy to saturate with uniform, consistent density.