Fluval Biomax Bio Rings - 500 grams/17.63 ounces

This is really an amazing value. Ceramic filter media like anything else in life vary in quality a great deal. Fluval Biomax is incredibly porous because it's not tumbled and polished. It's the rough texture and millions of tiny crevices that attract nitrifying bacteria like a magnet and encourage rapid growth.

Because these are so textured and allow for full water flow through colonization is very fast and you'll see the results of this product in fewer ammonia spikes as well as more stabilized water parameters. At this price they're beyond a great deal, plus this item is Prime eligible so add free shipping to boot.

My suggestion is to order more than you think you'll need remember to rinse them in aquarium water not tap water. The same applies to filter maintenance always rinse any filter media in water taken from the tank the filter serves. This protects all the healthy bacteria while getting rid of the gunk. Using tap water will kill your colonization on contact.

Although Fluval states to replace these every six months, I can assure you after 40 years of keeping fish this only to sell more product. In fact ceramic media will last almost indefinitely so there's rarely a reason to replace them. They're also great for seeding a new aquarium filter and shortening the cycle period.

Next to the eheim splintered glass spheres this is one best media you can use a great product at an incredibly deep discount.

I use this in several filters, not just in the Fluval canisters. It is great bio-material. I DO NOT change it out on the 6 month recomendation that is on the box. This will last much longer than that. I simply rinse once a month and keep it running through. I will remove any broken or crumbled ceramic rings, but those are far and few between.

Great stuff!!!

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I've had my tank up and running for a month prior to buying the prefilter media, bio media, and filter floss. Before I installed these, my water was fairly clear, just a little cloudy, but nothing that I would have worried about. However, after I put this in, my water was crystal clear. I've never had a tank with water so clear. It's quite amazing. I have a fluval FX5 filter with the prefilter media and a bag of carbon on the top rack, 2nd shelf has 2 boxes of fluval bio media, and 3rd shelf has the filter floss with 2 boxes of biomedia. That's what it took to fill my filter. I found it was cheapest at the time on amazon. I have a 125g tank with a walleye and a couple dozen feeder fish (so a fairly messy bunch of fish). I highly recommend this stuff. Works great (been using this for 3-4 months).

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Great product. Much better price then you would find in most pet shops. Establishing good bacteria in your tank is essential to having a healthy aquarium .

All you need to do is rinse!

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This is what you want for a canister filter of any brand. You don't need to replace them, I've been using the same batch for 10 years and they don't disintegrate. If Hagen told you they lasted forever that wouldn't be good for business. Bio balls, bio floss and lava rock are the most popular alternatives but the cylindrical shape of these keep the load from clogging with detritus. Good for big tanks with messy eaters, like large fish or turtles

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