Aquarium Calculator

The calculator will tell you exactly how much water to change. Why do you want that? Because it’s dangerous to guess. If you don’t change … Read more

Have you ever wondered why your tank looks cloudy? Why are my fish acting sluggish?” Then you do water changes like a religion. Without having … Read more

It is one part per million. That’s what you read off of the chart on the ammonia test kit bottle. You’re staring at a slightly … Read more

The typical newbie makes same mistake. They read the label that says “fertilizer for beautiful plants” and buy some. And when they do their next … Read more

The water’s crystal clear. Everything look good. The fish swims around normaly. You are at your tank and use a test strip that reads no … Read more

Yes, you can have an awesome hardscape and cycle your bio-filter for a week…or two…but if the carbonate hardness (KH) decrease overnight, you could lose … Read more

The sound of a steady bubble counter is oddly satisfying for any planted tank hobbyist. A constant bubble from a bubble counter provide that satisfaction. … Read more

Most aquarists buy a tank based off its labeled volume without accounting for space taken up by bottom materials. Then, they complain about incorrect water … Read more

Beginners frequently get lost when setting up their reef tanks, wondering how much live rock (seed) and how much dry rock to buy… Staring at … Read more

Substrate is where your casual optimism about choosing furniture meets actual choice of substrate. You want something that goes well with decor you prefer, so … Read more