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Organic Calcium fertilizers

Custom Hydro has in stock a large selection of natural minerals and organic fertilizers containing calcium. Browse our selection of amino acid chelated calcium, calcium silicate (wollastonite), calcium sulfate (gypsum), calcium carbonate (limestone), calcium phosphate (soft rock phosphate).

Products [11]

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Solution Grade GYPSUM 50 lb.
Solution Grade GYPSUM 50 lb.
$14.56
In Stock.
Add to Cart
VanSil CS-1 wollastonite 50 lb.
VanSil CS-1 wollastonite 50 lb.
$25.30
Pre-Order - This item's E.T.A. is 10/21/2024.
Add to Cart
Wollastonite natural calcium silicate fertilizer 4 lb.
Wollastonite natural calcium silicate fertilizer 4 lb.
$7.45
Back Order.
Add to Cart
Wollastonite natural calcium silicate 20 lb.
(1)
Wollastonite natural calcium silicate 20 lb.
$28.35
Out of stock
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Wollastonite natural calcium silicate 1 lb.
(1)
Wollastonite natural calcium silicate 1 lb.
$5.20
Back Order.
Add to Cart
Calcium Sulfate, Solution Grade GYPSUM 20 lb.
Calcium Sulfate, Solution Grade GYPSUM 20 lb.
$12.47
In Stock.
Add to Cart
Calcium Sulfate, Solution Grade GYPSUM 4 lb.
(1)
Calcium Sulfate, Solution Grade GYPSUM 4 lb.
$3.50
In Stock.
Add to Cart
Calcium Sulfate, Solution Grade GYPSUM 1 lb.
Calcium Sulfate, Solution Grade GYPSUM 1 lb.
$2.75
In Stock.
Add to Cart
AGRIHUSTA LIQUID CALCIUM-NITRATE FERTILIZER NPK 3-0-0 +Ca (5 GAL)
AGRIHUSTA LIQUID CALCIUM-NITRATE FERTILIZER NPK 3-0-0 +Ca (5 GAL)
$95.00
Back Order.
Add to Cart
Fish Bone Meal 4-12-0 Fertilizer 50 lb.
Fish Bone Meal 4-12-0 Fertilizer 50 lb.
$79.99 $60.00 Sale
In Stock.
Add to Cart
Diamond K Premium 97 Powdered Gypsum - 50 lb
Diamond K Premium 97 Powdered Gypsum - 50 lb
$11.36
In Stock.
Add to Cart

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