Calcium

17 products

Azomite, organic soil amendment — Soil Supply Co.
Azomite
From $6.40
Oyster Shell Lime, organic soil amendment — Soil Supply Co.
Oyster Shell Lime
From $9.60
Bone Meal, organic soil amendment — Soil Supply Co.
Bone Meal
From $8.80
8.7 - 4.7 - 0.4
Volcanic Ash, organic soil amendment — Soil Supply Co.
Volcanic Ash
From $4.80
Sold Out
Waterfall Way Basalt, organic soil amendment — Soil Supply Co.
Waterfall Way Basalt
From $6.40
Fish Meal, organic soil amendment — Soil Supply Co.
Fish Meal
From $8.00
8 - 7 - 0.5
Palagonite, organic soil amendment — Soil Supply Co.
Palagonite
From $6.40
Wollastonite, organic soil amendment — Soil Supply Co.
Wollastonite
From $5.20
Fish Bone Meal, organic soil amendment — Soil Supply Co.
Fish Bone Meal
From $14.80
5 - 11 - 0.4
Seabird Guano (High P/Si), organic soil amendment — Soil Supply Co.
Seabird Guano (High P/Si)
From $4.80
0.1 - 13.6 - 0.67
Soft Rock Phosphate, organic soil amendment — Soil Supply Co.
Soft Rock Phosphate
From $4.80
0 - 9 - 0
Montmorillonite, organic soil amendment — Soil Supply Co.
Montmorillonite
From $8.00
Hemp Seed Meal, organic soil amendment — Soil Supply Co.
Hemp Seed Meal
From $9.60
Seabird Guano (High N/Cal), organic soil amendment — Soil Supply Co.
Seabird Guano (High N/Cal)
From $7.20
14.6 - 5.87 - 3.42
Gypsum, organic soil amendment — Soil Supply Co.
Gypsum
From $5.20
Beetroot Meal, organic soil amendment — Soil Supply Co.
Beetroot Meal
From $6.40
Crustacean Meal, organic soil amendment — Soil Supply Co.
Crustacean Meal
From $36.00
5 - 2 - 0.1
Sold Out