Below 40 gallons and you really need to stay on top of things almost daily. I advocate for 75 gallons or more if you can and I wouldn’t go any less than 40 gallons unless you’re an expert. Enter the desired depth of your sand bed and select the sand type to find out how much your tank will need. You’ll want to keep all of this in mind when you’re making a decision for what size aquarium is best for you and your situation. Choose the tank shape that closely resembles the shape of your aquarium. While we can’t obviously cover every possible aquarium, this is a fair comprehensive list of typical tank sizes. Performing a 20% water change on my incoming 180-gallon aquarium will require draining and replacing 36 gallons of saltwater. Large tanks require a higher effort but less often.įor instance, a 20% water change in a 40-gallon aquarium is only 8 gallons. Small tanks tend to require a much lower effort but more frequently. Check out the BRS water volume calculator they have several different shapes. all have to be increased in size and/or number to properly address the larger physical dimensions and increased water volume.Īnother consideration is the frequency and amount of effort required when maintaining tanks of different sizes. Joined Messages 7,431 Reaction score 45,687 Location Derby, Kansas. Pumps, skimmers, heaters, powerheads, sumps, etc. The first water change will always occur on DAY 1 and any subsequent changes will follow at the specified interval. Our tank volume calculator also has an option for a tank that is only partially filled. Lights aren’t the only thing that increases with aquarium size. Enter the value of the parameter at the time of the first water change. This calculator is designed to provide a single adjustment dose to correct fallen calcium levels. I have a 180-gallon aquarium on the way to replace the 120 and I won’t need to purchase any more lights, fortunately. Joined Messages 4,881 Reaction score 12,260 Location West Palm Beach, FL. Enter your aquarium water volume, current and desired calcium level, and then select your additive of choice to find out how much you need to add to reach that desired calcium level. The 120-gallon I replaced it with required adding another 2 lights. For instance, my previous 40-gallon Red Sea aquarium required a single light.
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You’ll need to consider the additional equipment you’ll need for a larger aquarium.
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You might say that the best size aquarium is the biggest one your budget and space can accommodate. The bigger the aquarium the more stable the water parameters will be, which in turn makes for a more stable environment for your fish and corals. Aquarium Water Volume Calculator - Bulk Reef Supply Bulk Reef Supply - Saltwater Aquarium Supplies for Reef Tanks.