Diatom Blocks - 2 Sizes
Cage Blocks – with twist tie - 45 grams approx ea
Aviary Blocks - NO TIES - 300 grams approx ea
(calculate the weight of your order per block)
Fossil shell flour / grits/ calcium/ iodine + more.
Purchase individually, just put the quantity in your cart.
Some settling may occur in bags, in transit.
Please remove from the bag we suppply and leave out in the air or, store in an air tight container.
Diatom Blocks (2 sizes)