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Old 07-13-2005, 01:21 PM
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Hi Mitch,
Yes, it was good to see the lean towards shallow beds also. Actually Rob has been the most moderate of the sand "gurus".

The problem I have had, is that it was as hard to argue with them as it is with some of the barebottom fanatics now.

The same could be said for Gamble & Goemans advocating the plenums. At least the plenum systems were brought forward by the Monaco Aquarium and Dr. Jaubert.

Another fact is, when you search all the threads on the various sites, it seems besides Robs often mentioned tank in Edmonton, there are more longer running plenum systems than dsb systems. I assume thats the ones that are run correctly, with little live rock blocking the gravels access to the water and gives good gravel cleaning ability.

However, it is an interesting article and at least good to see them running more experiments on various systems.

Question, Did I miss it or why did Rob not run the same test on a plenum system?

And why such a short time period on the experiments?

And where is the long awaited results from the long term experiments on plenums, run by Delbeek at the Waikiki Aquarium?
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