Quote:
Originally Posted by shermie
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i think the key is proper handling... eg place them properly into the tank instead of dropping/throwing... leave sufficient gaps in between the blocks for easy removal access when required... dropping on the floor is a big no no for any media either way. nowadays i just hose down the MP in the sump n siphon out the water for easier maintaince. no need for removal coz of the porosity.
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Welcome back.
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.