Description
- THE MOST EFFECTIVE FILTER MEDIA AVAILABLE. Highly porous ceramic rocks. Their high surface area makes them the natural choice for colonisation by micro organisms in biological filtration systems resulting in cleaner water. Fantastic nitrate remover.
- TROPICAL, MARINE OR COLDWATER USE. Any environment will benefit from the use of these rocks. No substances are present to adversely affect the health of fish or plants. The material is pH neutral and can be used in both freshwater and marine applications.
- SO EASY TO PLACE AND READY TO USE. Your Bio Rocks are supplied in 2 x Quality non rusting fine mesh bags containing appx. 275g in each. Can be placed in Filters / Sumps or spread passively in the aquarium. A great live rock alternative.
- MORE EFFICIENT THAN CERAMIC RINGS, FOAM OR PLASTIC BIO BALL COILS. The key to effective biological filtration is choosing media with the highest surface area possible to allow beneficial bacteria to colonise and remove waste from the water. These Bio Rocks have an extremely high surface area by volume compared with other types of filter media on the market.
- ECONOMICAL AND LONG LASTING. Your purchase is for 2 x mesh bags, each containig 275g of Bio Rock ( Alfagrog). 550g Appx. Net Weight. Please read 'See more product details' below for coverage and other information and tips.
- ›See more product details
Your purchase will include 2 x fine mesh bags each containing approximately 275g of Alfagrog Bio Rocks. Bag size may vary from batch to batch but are high high quality with non rusting zip. Coverage of your media purchase: Amount Supplied is sufficient for a tank of 200- 300 litres freshwater / 100 Litres marine ( depending on stocking level and other factors - more is always better! - For optimal nitrate reduction double this amount or more is suggested). IN SALTWATER: Ideal For Nano Marine setups / breeding tanks & Quarantine as sole filtration, A pest free and sustainable alternative to live rock or can be used to supplement existing live rock. IN FRESHWATER: Excellent for larger freshwater systems and even small pond filters. Allow to mature or add starter bacteria before adding livestock Provides excellent surface for colonisation of beneficial bacteria that break down waste (Has an amazing average surface area of 25 x that of foam pads & upto 8 x that of ceramic rings!) Inert (will not alter water chemistry) - the bags have fish safe plastic / nylon zip Use in place of any existing bio media - in filters its best used in the stage after the pre filter foams - once mature can be left indefinitely.
