Aquarium Definition and 35 Threads

Suppose I dilute a freshwater tank with an appropriate amount of salt, will saltwater fish be able to live in it? if not, then why?

Hi, I have been calculating a series of hypothesis for some aquariums/tanks situations, using heat transfer equations (conduction, convection, radiation, evaporation) Typically we have aquariums that run at higher temperatures than the surroundings in winter and lower temperature than the...

Hey Everyone, I just setup an aquarium with plants, and I am planning to add fish but I have some concerns. I want to have stable water parameters to minimize stress on the fishes. The potential issue here is that I used a stone called Seiryu stone. Seiryu stone contains Calcium Carbonate...

Please help me to find out if this is a feasible project. If not, what changes shall be made to make it sustainable for a long time without changing the layout? 1. Details of the stand: L 36", W 18", H 30" 2. Details of Aquarium 1: L 36", W 18", H 18", weight: 225kg 3. Details of Aquarium 2 and...

there's a website to size an aquarium heater or chiller. This is just for learning purposes (not for fish) but I have modified these parameters from default to perform a load calculation on a 100 gallon glass tank... For the tank temperature range I set to be between 150-160 degree F. and a...

Summary: Calculations of glass thickness for aquarium 140cm (length), 55cm (width) and 80cm (height). Scenarios for normal glass and tempered glass. Hi everyone ! I want to ask you for help to calculate how thick (minimum version and save version) should be a glass for aquarium with sizes...

Im so confused rn

Can there be alternative materials for Aquarium fish tank instead of glass? Example : Stainless steel, Aluminium Plastic, Concrete etc If yes, which materials can be evaluated?

Hello, I am working on a Project and it has been a while since i did calculations With mechanics. The pool would be made in glassfibre with polyester and will be: L=2000mm W= 1750mm h= 400mm we use the E-module for glass, so we use E= 70 000 N/mm2 I= bh3/12 = 2000mm x 4003 mm /12 = 1,067 x...

Homework Statement On a train, there is a passenger who has an aquarium, filled with water. The aquarium's size: 40cm x 25cm x 25cm, and is filled with water up to the height of 20cm (5 cm remaining) What is the maximal deceleration of the train, such as the entire volume of water will remain...

How do I calculate glass thickness on a bottomless aquarium where air pressure is holding the water up. Example: 18"x18" by 36"' high closed top. 6" of the aquarium is submerged in a pond. Thanks.

Homework Statement A large aquarium of height 5.00 m is filled with fresh water to a depth of 2.00 m. One wall of the aquarium consists of thick plastic 8.00 m wide. By how much does the total force on that wall increase if the aquarium is next filled to a depth of 4.00m?Homework Equations...

G'day Forum Members, I'm new to the forum I hope to get some great advice here for my projects! I have a slow progress DIY tank rack project going on: short story I bought a cheap steel shelving system which won't cut it for the project, so I'm going to build a timber setup which will be a...

a custom Lexan tank 50"x50"x25", about 500 gallons, lexan 2" send and return pvc style piping going into a fish room. the pergo floor (white oak) will be able to be pulled up to inspect the piping. the fish room will have a medical tank. a breeding tank, a quarantine tank, a plant growing tank...

Homework Statement At the aquarium where you work, a fish has gone missing in a 10.5m -deep, 9.45m -diameter cylindrical tank. You shine a flashlight in from the top edge of the tank, hoping to see if the missing fish is on the bottom. What’s the smallest angle your flashlight beam can make...

Homework Statement There is a small shiny object in a big aquarium, which is formed like a cuboid and filled with water. The plan site of a plano-convex lens with a focal length f is put on the wall of the aquarium from outside. The object is located on the optical axis of the lens. The...

Here is the question: I have posted a link there to this thread so the OP can view my work.

Homework Statement An aquarium 5 ft long, 1 ft wide, and 5 ft deep is full of water. (Recall that the weight density of water is 62.5 lb/ft3.) (a)Find the hydrostatic pressure on the bottom of the aquarium in lb/ft^2 Homework Equations hydrostatic pressure = ρgd = δd ρ = 62.5...

Hello All, I am new to this forum and would like to introduce my self as well as having question that has been in my mind for a while now. Please call me Kamto :o) I am not physicist so please forgive me if I am not knowing much about physics. Ok here is my question: I am planing of making an...

Hi there I don't know if this is the correct forum to be posting in, but I am sure that with all the expert physics gurus on here, someone can help me with this basic project. I am trying to build an air ring main system for an aquarium. I previously had the system setup as follows...

What kind of engineer would be able to have a career at an aquarium?

Recently I visited a sea water aquarium with tropical fish anemona, corals. At the glas walls I observed little (about 1 cm diameter) white stars with 6 legs. Now starfish have 5 legs, as far as I know. Any idea what this could have been?

Homework Statement Prior to introducing livestock, a fishkeeper may establish colonies of nitrosifying and nitrifying bacteria by repeatedly inoculating an aquarium with a solution of ammonia (to simulate the presence of fish). At the end of the process there is a high concentration of...

Sorry folks been centuries since I was in physics class but hoping you can help me. Also hope I have the right forum? I am an aquarist (aquarium hobbyist). Someone I know is placing a large 48"l x 12.5"d x 18"h aquarium on a piece of furniture. It will be filled to within 1.5" of the top. It...

NOOB here. I am trying to redo my diy aquarium lighting. Currently I use 4x100 white led xmas lights. And they light great. Problem is, they are multi "8" function lights, I have them on timers, and when they come on, they default to one of the flashing functions, and I have to go at...

Homework Statement A goldfish is swimming at 4.40 cm/s toward the front wall of a rectangular aquarium. What is the apparent speed of the fish as measured by an observer looking in from outside the front wall of the tank? The index of refraction of water is 1.333. Homework Equations p =...

Homework Statement An aquarium tank is 100 cm long, 35 cm wide, and 40 cm deep. It is filled to the top a)What is the force of the water on the bottom (100 cm x 35 cm) of the tank? b) What is the force of the water on the front window (100 cm x 40 cm) of the tank? Homework...

Homework Statement A large 3.00×10^4 L aquarium is supported by four wood posts (Douglas fir) at the corners. Each post has a square 3.80 cm x 3.80 cm cross section and is 80.0 cm tall. By how much is each post compressed by the weight of the aquarium? Homework Equations deltaL =...

I have a glass terrarium, and I have a project where I need an aquarium. I'm going to be filling it full with water and oil. Can I reliably use my terrarium for this application? It will need to last months to years and I kind of don't want it to leak or break everywhere :)

Do fish care about what the environment outside the tank they are in looks and sounds like? Do they know they are in a tank?

A large aquarium of height 5.00m is filled with fresh water to a depth of 2.00m. One wall of the aquarium consists of thick plastic of 8.00m wide. By how much does the total force on that wall increase if the aquarium is next filled to a depth of 4.00m.

How to devise a usefull formula for aquarium water changes. I have a 50g tank (not including substrate and animals). I want to do daily water changes so that at the end of 6 months I will have replaced 95% of the water present at the beginning of the water change regimen. I want to replace...

I saw penguins swimming at an aquarium yesterday. They swam deep underwater and they had streams of bubbles escaping from a spot on their backs. My mom thinks that penguins have some sort of a blowhole, but I've never heard of this. What was that?:confused:

Hey.. had a problem which am tryin to solve... During an ecology experiment, an aquarium half filled with water is placed on a scale. The scale reads 195N. a) a rock weighing 8N is added to the aquarium. If the rock sinks to the bottom of the aquarium, what will the scale read? b) The...

Does anyone have aquarium? I just bought 120L tank with all the equipment for 200$. I want to have only plants in my tank. Do you guys have any experience with keeping plants in aquariums?