Ourwater volume calculatorcan be used to calculate sump water volume, just like a tank. Remember, most sumps only run about 50-60% full of water when in operation. One major point to consider when deciding on a sump. The bigger the better is common advice from more experienced hobbyists ...
When building afish tank, thorough planning really goes a long way especially when it comes to the sump. So first up is proper planning. When sizing a sump, you pretty much want the largest tank possible. So measure the space you have for your sump and choose the largest tank ...