Just as an extra, I've just checked again at what is almost 90 mins after the removal of the jug and this is what it is like now. The patch to the right that wasn't exposed is just starting to pearl now although you can't see it here.
aaronnorth said:That is very interesting atlaafe.
Matt, i am not sure by the pressure in the pipes etc. But what i believe is that the water is O2 saturated, then this comes out of aqueous solution, and into gaseous solution (this then appears as pearling). I sometimes get bubbles on my glass after a water change, so this could still be in the question.
But the exposed to air method introduces 'real' pearling, whereas the O2 saturation is merely O2 from the water.
SuperColey1 said:Wouldn't explain instant bubbles after the water change on crypts and ferns that I've just got though!!! Will take some pics for the first few hours before posting the lot. lol
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