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RECOMMENDED USAGE
The Uni-Slab is specifically designed with one plant in mind, hence
the name. This smaller size meets the challenge of mobility for
re-arranging plants as needed. The slab has certain advantages over
the big blocks; one, the top plastic protects completely from algae
growth and two, the low height provides a sturdier base-meaning
the plants are less likely to fall over. Use drip or top irrigation
for Uni-Slabs with Gro-Blocks™ on top.
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PREPARATION
The Rockwool volume of the Uni-Slab is 304 oz. (Hugo’s
is 216 oz).
- Cut square/round hole in the top surface to make room
for the 3” or 4” block(s). Lay the cutout plastic
piece on the Gro-Block’s top surface to slow algae
growth.
- Fill the slab bag with pH 5.5 water and let it be for
30 minutes. Cut two slits at the bottom side of each side
of the slab to drain out excess water.
- Mix up the same nutrient solution that you have been using
for the plants you are about to transplant to Uni-slab.
- Irrigate each slab until it has received 1.4 gallon of
nutrient solution. Discard the drainage water.
- Make fresh nutrient solution in tank and adjust back to
pH 5.5.
- Place a 3” or 4” block with plant onto the Uni-Slab.
Insert a drip stake into small block.
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WHAT WOULD YOU PLACE ON THE UNI-SLAB?
 Think
of the slab as a shoe, and the plant as the foot. While the Uni-Slab
is too large for one tiny plant, several tiny plants will thrive
on it.
- Well-rooted starters (Macroplugs or Mini-Blocks) can be placed
into the slab by first carving top holes in the Uni-Slab. As many
as eight small plants can thrive in the Uni-Slab.
- Place well-rooted Gro-Blocks (3” or 4”) on top of the
Uni-Slab. One block per slab works best, as these are generally
med-large plants. One can also place a block as large as the Hugo
on top of a Uni-Slab.
UNI-SLAB “NO-NO’S”
- Do not use Ebb & Flood if you are placing a block on
top of the Uni-Slab. Most flood systems will not fill the tray high
enough so that the block also gets water.
- Don’t remove the outside plastic covering, only cut
openings in the bottom for drainage, and “X” or “O”
openings in the top to accommodate the top plants. The plastic covering
will protect the roots from light and minimize algae growth.
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