Aquarium Calculator

Even with eight-hour-a-day lighting, your stem plants remain pale and stringy. You’re doing everything right, or so you think, but the one thing you aren’t … Read more

Then again you may spend big money on CO2 systems and lights but your tank turns green with algae. This happen because you purchased them … Read more

Different terms is used by various folks. Some rely on watts per gallon (based off info from two decades ago), while others swear by PAR … Read more

Most of us got into keeping fish for peace of mind we get from having a glass box full of fish. We didn’t sign up … Read more

In an hour, you’re checking your test kit several more times and the nitrate reading inches closer to forty parts per million. You drain thirty … Read more

When most of us started in this hobby we did a 10% weekly water change. It seems reasonable, after all, I can lift a bucket … Read more

There’s water dripping from a measuring cup into your aquarium. Steady, right? Unless you know what the flow rate is…you don’t know whether it’s the … Read more

I know that your sump appears large from the exterior so you think “that should be plenty of capacity.” But what if there’s a power … Read more

When you put a ten gallon tank on a stand, leave two inches of space below the rim, add some gravel, a filter, etc., that’s … Read more

Even if you have a rack of twenty same sized tanks, that doesn’t tell you how much water flows through your system. That’s a quiet … Read more