Grodan Big Mama, 8" x 8" x 8", case of 18 nutrient-combo Gavita Pro 1700e is suitable

Gavita Pro 1700e is suitable for use in wet environments with the highest operating temperature of 40 degrees Celsius

Pressure: Pumps 25 psi

Water: 15-20 GM

Dandelion Enterprises (the makers of Tappin' Roots) utilizes a proprietary & chemical free extraction process to preserve the integrity of each ingredient

Grodan Big Mama, 8" x 8" x 8", case of 18 nutrient-combo Gavita Pro 1700e is suitableBIG MAMA is the largest block ever produced by Grodan. It is 8" square and contains over twice the amount of rockwool as the popular Hugo block. This block is big enough to grow a large plant for its entire life! When your plant outgrows its current block, just place it on top of Big Mama. BIG MAMA is solid rockwool and does not have a precut hole thus making it suitable to hold any size smaller block on top (even a Hugo).