CO2 Bubble Per Second to mL Calculator
You can get a good sense for your tank’s pulse by watching CO2 bubbles ascend in a glass counter. A single bubble/second seem swift; two … Read more
Ronan Granger
Filter Media Volume to Tank Ratio Calculator
When it comes to aquarium filters, most people think that bigger is better, if they throw extra filter media into their filters, their water will … Read more
Air Lift Flow Rate Calculator
An airlift is a quiet way to aerate an aquarium and also provide some water movement (good for sumps or breeding tank where a gentle … Read more
Biomedia Volume Needed Calculator
A common rule of thumb is that most aquarists begin with simple idea of buying a filter rated for the number of gallons they own. … Read more
Tds Water Testing Chart
Take out your TDS (Total Dissolved Solids) meter, dip it in your tank water, and look at the little screen: numbers climb. That’s all there … Read more
Alkalinity Chart
Do you recall your initial “dead fish” moment? You know, when one of your fish dies suddenly. Water’s clean. Filters is running. Temperature has been … Read more
Sump Residence Time Calculator
I know you’ve wondered at times if your filtration is actualy filtering or just moving water around. If you care about GPH (gallons per hour) … Read more
Flow Per Gallon Calculator
Whether it’s too little or just way too loud, pumps is where most of us go wrong in our fish tanks. You want healthy livestock … Read more
Red Sea Alkalinity Chart
Reef alkalinity is misunderstood by many new keepers. It’s not about chasing specific values (as if there were a number) as much as it’s about … Read more
Combined Powerhead Flow Calculator for Aquariums
If you’ve shopped for pumps or looked at pump boxes, you’ve likely noticed large numbers listed as flow rates. These numbers imply your tank will … Read more