Hey - whats your opinion on this?

Easy Life International : professional products for freshwater aquariums, marine aquariums, koi and pond

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When asked about Symbionts function:

Symbiont exceeds the performance of for example Siporax or Ehfisubstrat, because the effective surface area is much bigger. In the aerobe regions, the reduction of ammonium and nitrite are done by aerobe bacteria. In the inner structure of the Symbiont pellets, anaerobe areas exist, where nitrate can be broken down. This process of creating anaerobe areas takes some weeks after Symbiont is put into the filter.

Best regards,
Toon Vermeule

Easy Life International BV
Easy Life Int. BV - aquarium & pond products for discus, koi, marine fish, plants & tropical fish

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Im thinking about the nitrate removing part, wheater it has an effect or not.

I think our host might respond more eloquently, so I'll just ask if the seller can provide any references - real references?

Bill

I think that's a very valid response
Real references mean something, these are not real references.
Lava rock can do this, old activated carbon can as well.
Etc.

You might need less volume here, but they do this to some degree, that's the only real difference.

I'm not trying to get rid of NO3...........just NO2/NH4.
Good steady plant growth=> no NH4.
Good aeratrion, aerobic filtration=> no NH4/NO2.

It's only when you over load the system those are an issue.
A little patience resolves any performance issues with most any bio media.

Hardly something "revolutionary".
It works etc I'd suppose. But is it worth more $$ etc?
No, not really.

Regards,
Tom Barr