You have no items in your cart
ARM Extra Coarse
- 1 gal.
is backordered and will ship as soon as it is back in stock.
ARM™ EXTRA COARSE
A high magnesium reactor media. ARM™ Extra Coarse is still a complete reactor media containing not only calcium and carbonate, but essential trace elements as well.
Contains:416000 ppm Calcium, 577000 ppm Carbonate, 3300 ppm Strontium, 1400 ppm Magnesium, 56 ppm Potassium.
add to order list
Choose your wishlist to be added
Copy wishlist link to share
We will notify you on events like Low stock, Restock, Price drop or general reminders so that you don’t miss the deal
See Product Details
Enter your discount code here
✔️ Discount code found, it will be applied at checkout.
Discount code cannot be applied to the cart.
Please provide a valid discount code.
Discount code cannot be combined with the offers applied to the cart.