Quote:
Originally Posted by Aquattro
For one, it's cost prohibitive. Two, you have to dismantle your tank. but yes, you probably should change rock every 5 years or so, should you actully keep a tank going that long.
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Maybe change it every year? Shall I set a standard and spread it around like wildfire...
Change 10 percent of your rock once per year. Set in stone. No debating pls.