PURE SUBSTRATES® Max Air Starter Block 4x4x3 (Case of 192)

PURE SUBSTRATES® STARTER BLOCK WITH 40MM HOLE – 10X10X7CM

COMMERCIAL GRADE GROW BLOCKS MANUFACTURED FROM HIGH-GRADE COCO RAW MATERIAL.

• PURE SUBSTRATES® starter blocks are made especially for cannabis
• Organic product
• Produced in ISO 9001:2015 factory - consistent quality assured.
• Wetting agent ensures nutrients are immediately plant available
• pH buffered using our patented, sustainable and totally organic process. Less toxic for the environment and surrounding water sources.
• The unique fiber density of the PURE SUBSTRATES® starter block makes better use of water and fertilizers while allowing better dry back
• Our PURE SUBSTRATES® starter blocks are priced for commercial cannabis production
• PURE SUBSTRATES® starter blocks were designed and tested stringently in Holland
• This product is used by the largest cannabis cultivators in North America

UNIQUE FEATURES OF OUR FABRIC BAGS

• less plastic directed to landfills
• allows more air to move in & out of the bag
• increased root pruning encourages faster root development
• optimal air/water ratio 
• increased oxygen levels in substrate
• lower root zone temperatures in hot weather
• great for flood irrigation or top feeding

40MM PLANT HOLE - 10X10X7CM - 4-INCH X 4-INCH X 3-INCH

Case: 192 blocks

Pallet: 35 cases

Starter Block Specs.

Technical Details

• WEIGHT: 0.15kg
• MATERIAL COMPOSITION: Sieved and washed coco material
• ELECTRICAL CONDUCTIVITY: < 0.5 mS/cm
• pH: 5.5 - 6.5
• SODIUM: < 29 mg/L
• WATER HOLDING CAPACITY (L/kg): 5 - 7
• AIR FILLED POROSITY (V/V%): > 25%
• ORGANIC MATTER (% BY WEIGHT): 95 - 98%
• VOLUME: 0.13 Gal / 0.5 Litres
• DIMENSIONS SIZE (DRY): 10 X 10 X 1.5cm
• DIMENSIONS SIZE (WET): 10 X 10 X 7cm

ALL PURE PRODUCTS ARE SUITABLE FOR ORGANIC GROWING.

PRODUCED IN AN ISO 9001:2015 FACTORY. DESIGNED IN HOLLAND, MANUFACTURED IN INDIA.