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Re: [APD] pearling after water changes Vol 2

I believe Rory O'Brien wrote this email section below:
> So, is it accepted now that plants go bananas after a large water change and
> what we observe is genuine pearling?
> I'd always put it down to the removal of growth inhibitors that build up in
> the water column, but that's pretty hard to prove ;)

I suppose you could collect the pearls in a test tube and then stick a 
lighted match in it to see it is Oxygen?

Stuart Halliday
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