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  4 Inch Redrock Rockwool PRO Grow Block for Hydroponics | 6 Pack + Twin Canaries Chart

  $16.99 Buy product
• 

  6 inch Redrock Rockwool PRO Grow Block for Hydroponics | 12 Pack + Twin Canaries Chart

  $69.99 Buy product
• 

  FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-16 oz Bottles) + Twin Canaries Chart

  $39.99 Buy product
• 

  Grodan Rockwool Delta GRO Blocks | 4″ Cube – Pack of 6 | + Twin Canaries Chart

  $18.99 Buy product
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  Grodan Rockwool Starter Mini-Blocks | 1.5″ Blocks – Pack of 45 | + Twin Canaries Chart

  $16.99 Buy product