Volcanic Rock; Aquarium/Pond Filter Media, Nitrate & Ammonia Removal

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• Volcanic Rock makes an economical biological and mechanical filter media
• Can work for de-nitrifying (nitrate removal) due to deep pores and over all surface area in comparison to over all size and surface area exposed to water flow & oxygen.
• Highly porous
• Generally ½ to 1 inch size is ideal for coarse mechanical filtration (the size may vary though from pea sized to a little over 1")
• Ideal for Bio fall, Savio Livingfalls, DIY, barrel and similar pond filters
• Ideal for wet/dry and canister aquarium filters
• Inert and safe for all aquarium and pond applications (including marine)
• Can be used in FW to work similar to live rock in marine
• Can easily be crumbled smaller for medium mechanical filtration with the use of a hammer or mallet.
• For the superior Bio Filtration Media, with more surface area than any other bio filtration product (including this volcanic rock), consider SeaChem Matrix with more internal surface area liter per liter, especially for de-nitrification.

Sold by the pound; 1 pound is approximately 5” x 5” in volume

$2.99 per lb. Jump to Shopping Cart

(to order by pound, simply enter the number of pounds in the shopping cart as quantity)

Or 10 lbs. for $19.99 Jump to Shopping Cart

(additional shipping may apply outside the lower 48 USA or to PO boxes; limit 20 lbs per order within the lower 48 USA)

Also Available
Lee’s Filter Saver Bag (4” x 8”)- $5.59
Jump to Shopping Cart

• Can be used with Volcanic Rock, as well as many other filter loose media products so as to prevent damage to filters or for easy removal

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