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Grodan Rockwool Starter Mini-Blocks | 2" Blocks - Pack of 12 | + Twin Canaries Chart

Q: What is ph balance of cubes? Do you need to change it?

It's the ph of the nutrient solution that's important and must be controlled, as ir will soak the rock wool cubes.

Q: do you remove the paper?

I leftbthe plastic wrapper on while growing the seedlings but took it off when it planted

Q: Do I have to soak these in water first before placing clones or seeds?

You can put the seed in dry and then wet it. With a clone it may be better to wet it first to make it a little softer.

Product ID: 107008833

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Details

Brand
Twin Canaries
Material Feature
Heirloom
Color
Brown
Special Feature
organic
Item Weight
0.06 Kilograms
Sunlight Exposure
Full Sun

💧optimal aeration & drainage

🔄seamless transplanting

🪴2" uniform mini blocks

Frequently Bought Together

Grodan Rockwool Starter Mini-Blocks | 2" Blocks - Pack of 12 | + Twin Canaries Chart

HydroDynamics Clonex Rooting Compound, 100 ml

FOOP Clone Gel - Two Products in One: Rooting Gel + Cloning Solution - Get Big Fat White Fuzzy Roots Faster and Make Cloning Simple | Works Great in All Cloning Media (4oz)

Description

🌱 Grow like a pro—start strong, grow stronger!

EFFORTLESS SETUP USE - Pre-cut uniform blocks simplify planting—just soak, insert, and grow with minimal mess.
VERSATILE GROWING MEDIUM - Ideal for hydroponics, aquaponics, and soil setups—trusted by global growers.
OPTIMIZED ROOT DEVELOPMENT - Engineered fibers ensure excellent aeration and drainage to prevent overwatering.
SMOOTH TRANSPLANT EXPERIENCE - Easily transition seedlings to larger Grodan blocks without root disturbance.
PERFECT SEED STARTING ENVIRONMENT - 2-inch pre-cut rockwool blocks designed for consistent germination success.

Grodan Rockwool Starter Mini-Blocks are 2-inch pre-cut cubes engineered for optimal seed, cutting, and clone propagation. Designed for hydroponic, aquaponic, and soil gardening, these blocks provide superior aeration and drainage to promote vigorous root growth. Their uniform size and seamless transplant compatibility make them a must-have for professional and hobbyist growers seeking reliable, mess-free plant starts.

Specifications

Color	Brown
Unit Count	12.0 Count
Number of Pieces	12
Moisture Needs	Moderate Watering
Sunlight Exposure	Full Sun
Additional Features	organic

Have a Question? See What Others Asked

What is ph balance of cubes? Do you need to change it?

do you remove the paper?

Do I have to soak these in water first before placing clones or seeds?

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