How Often to Change Your Fish Tank Filter? Logic vs. Marketing
I’m going to tell you something that the big filter brands don’t want you to hear: if you’re throwing away your filter cartridges every month, you’re throwing away the health of your tank. I’ve spent 15 years maintaining everything from high-tech 20-gallon longs to my 50-gallon community, and I haven’t ‘changed’ a filter in years—I … Read more