B. Seaweed 1 Liter Inner Diameter (ID) Grow Trays

B. Seaweed 1 Liter Inner Diameter (ID) Grow Trays

Proven effective in over 200 university tests and successfully used in agricultural and commercial growing applications for nine years

8 to allow for optimum fertilizer uptake making the naturally rich ingredients an ideal environment for seedlings to become strong

Its super tough

Note: the advertised number of gallons is measured in compacted soil volume

Fully waterproof with auto off function

All Gro-Slabs have vertical fibers except the 12 inch Gro-Slab

The lamp cord terminal is shielded by a metal housing

Made specifically for double-ended horticulture lamps (not included)

before flower buds appear

In hydroponics

gallons and liters for easy measuring and mixing

It is ideal for water-sensitive crops