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10-02-2017, 05:57 PM | #11 |
Dragon
Join Date: Nov 2006
Posts: 1,259
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Will these blocks have a better shelf life in left in the sump?
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15-02-2017, 10:22 AM | #12 | |
Prof SK Ong
Join Date: Jan 2009
Posts: 10,641
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Quote:
In two years time, see the blocks yourself. All good porous media will erode and break down over time. These blocks however are too brittle and friable (for real life practical use) to my liking.
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24-02-2017, 05:59 PM | #13 | |
Senior Dragon
Join Date: May 2002
Posts: 4,048
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Quote:
it's already been 2 years n the blocks are almost as good as new. i'll update again in another 2 years if i can still find this thread by then hehe. |
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24-02-2017, 06:02 PM | #14 |
Senior Dragon
Join Date: May 2002
Posts: 4,048
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