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Petstores online selling them but they only give the dimensions. So is there a site out there that i can plug in the dimensions and get how many gallons it is?

2007-10-14 05:15:01 · 5 answers · asked by Anonymous in Pets Fish

I dont need anyone telling me that a bowl is too small. The bowl will be 2.5 gallons so its just the same size as a tank. What difference would it make? A bowl is circle, a tank is rectangle or square! Its going to have a sponge filter and a heater. I dont need anyone saying that a bowl is too small. If your going to say that dont bother answering at all. I asked a question and you failed to answer it. Thumbs down.

2007-10-14 06:22:36 · update #1

5 answers

I have to agree that bowls aren't suitable for keeping and fish in the long-term. Most will be under a gallon, but there are a few that are over (I have a low flat one that's about 3 gallons). They're also more difficult to fit with filters and heaters if your fish/aquatic organisms need them, and the shapes (usually smaller at the top) give less surface area for oxygen/carbon dioxide exchange, so they need to have an airstone or filter to keep the water oxygenated so it doesn't become stagnant.

If you're planning to keep fish/shrimp/dwarf frogs in this on a permanent basis, please consider getting a small tank - you can get these as small as 2.5 gallons in glass (preferable for size) or 1 gallon in acrylic (would be better for any fish, even a betta, to have a larger volume). The square or bowfront shapes are also more suitable for filters and heaters.

Since you didn't specify how you were planning to use the bowl (one person recently asked about one for quarantining plants!) I'll try to give you some general info, but there aren't any easy volume calculators as there are for rectangular, cylinder, or hexagonal tanks:http://www.aquaticcommunity.com/converter/volume-calculator.php At best these will only approximate the volume since bowls have flat sides or bottoms and the water at the surface is flat (the actual volume will be less than calculated). There are also different shapes of bowls, which will change the formulas needed for calculations.

Betta bowl type (sphere with flat bottom as in this photo: http://www.glassnow.com/glass_bottle_jar_vase_wholesale/vases1to7in/0233_fish_bowl_vase.jpg or bioorbs): use this link with either the diameter or circumference of the bowl to find the volume of a sphere: http://www.1728.com/diam.htm

Traditional goldfish bowl (round with flat front and back, or round around the bowl with a flat bottom and top as in this photos: http://www.terranovagallery.com/images/medium/9714_goldfish_bowl_net.jpg [note the only "goldfish" appropriate for use in a bowl!], I couldn't find a photo quickly of the type I have, but it's about what you would have if your turned the previous photo on it's side - the bowl is wide and round, but low an flat on the bottom and top): use the link above, but use the calculator for a cylinder - figure the diameter or circumference at the widest point, plus the depth of the water.

It's best to measure the actual volume by using a measured contain to fill the bowl, but when you're looking to buy, that's not possible.

2007-10-14 06:15:19 · answer #1 · answered by copperhead 7 · 5 0

you do no longer say how huge the fish are. the respond approximately floor section comes closest to determining the size you will need. the main suitable formula is to take the size x width and divide that by employing 12 to get the style of "inches" of fish you may shop interior the tank. A 20L is 30" x 12", so which you ought to maintain 30" of fish in it. in the adventure that your fish are each and each 2" (10" entire), it is extra advantageous than sufficient room suited now, yet while they are 6" you're on the max already. A 30 gallon is 36 x 13 and a fifty 5 gallon is 40 8 x 13. you're able to do the mathematics. word that simple goldfish (comets) can improve into very almost 2 feet long and can stay 20+ years. they'll finally want an out of doors pond.

2016-10-22 09:17:42 · answer #2 · answered by ? 4 · 0 0

Not a website, but the volume of a sphere is 4/3 (pi)r^3, where r is the radius (half the diameter) and pi is 3.14(approx).
So if at its widest point, the bowl is 12 inches, you just plug that in.

4/3(3.14)6^3=904.32 cubic inches.

Then you just convert that to gallons. There are 0.0043 gallons in a cubic inch, so

904.32(0.0043) = 3.89 gallons

Of course, the bowl will not be completly full, or a complete sphere, so your going to have to adjust for that.
Hope that helps.

2007-10-14 06:02:13 · answer #3 · answered by Cameron C. 4 · 4 0

Hi Braga, whatever the size of them bowls are a death sentence for fish. Expect very short, unhappy & unhealthy lives every time when using these.

2007-10-14 05:35:05 · answer #4 · answered by John 6 · 4 3

if your looking to care for fish and breed them or whatever the cost.. buy an aquarium tank with heater and filter!

2007-10-14 05:59:11 · answer #5 · answered by Anonymous · 2 3

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