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Re: Substrate longevity

Just a question on this discussion regarding "root bound tanks" and rotting
Has there ever been any discussion or thought of actually mechanically
aerating the substrate, if you will. And by that I mean, say, taking the
prong end of an algae scrapper and selectively inserting it into the
substrate, loosening things up gently? Wouldn't this enhance aeration and
also free up some rooting area and diminish some of the anoxic condition?
especially for those who are not running heating cables or re-planting alot.
Even though it's been said that aquatic soils are not very similar to
terrestrial soils, even in good turf management they recommend aerating at
least once a season!  I would think that those who are regularly uprooting
and re-planting are in ways creating this effect.
-- drew grant