Then why doesn't a bloom happen everytime you do a major water change? I
can understand the regular maintenance water changes, but what about the
times when a major change is needed? (say greater than 50%)

"Ozdude" wrote in message
. ..

"Justin Boucher" wrote in message
...
I'm sure it will.

The same thing happened to my acrylic tank. Makes you wonder where the
silica actually comes from.

Your tap water! Believe it or not.

Oz

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