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they vary on species and lake or river of species.

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13y ago
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15y ago

The best pH for most Tropical Fish is around 7.0

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Q: What pH should the water be for tropical fish?
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Why do your tropical fish stay at the bottom of the tank when you change the water?

Tropical fish stay at the bottom of the tank when the water is changed.Its because fishes feel a change in water, like the temperature and pH value, due to which they get stressed, so they decide to remain in corner or at the bottom of the tank, until they feel they are comfortable.


What is acidity for tropical fish?

The acidity for tropical fish? I think your referring to the acidity of the water in their aquarium...??? Generally, "tropical fish" do well with a neutral (7.0) or slightly acidic (6.7-6.9) PH level in the water of the tank. This is easy to test using a PH test kit from your pet store. The acidity of the water is affected by whatever is IN the water with the fish---in the wild, the flora and fauna of the area dictates the PH (acid-neutral-alkaline) of the water. In general most of the common tropical fish (freshwater) sold in pet stores come originally from central/south America and Asia. The waters in these areas are slightly to mid level acidic depending on the time of year. These fish would be the common "community" tropical fish like tetras, gourami's, live bearers (guppies, mollies etc) and algae eaters/scavengers. The larger "cichlids" like Oscars, Jack Dempsy's etc are also from South America but are aggressive. All do fine with an PH (acidity of 6.8-7.0) as most are commercially raised now anyway. Don't put "wild" rocks in your tank as they could contain pollutants and be very calcium rich (like sea shells) and raise the PH to above 7.0 into the Alkaline level. Some fish (like the African Cichlids) prefer a high alkaline environment... Hope this helped, Jason


A student measuring the pH of the water in a fish tank found it to have a pH of 8 what is true regarding that solution?

the water is more alkaline than a soution with a ph of 10


Can frogs live in pH 4 water?

They can, but not for long. All fish will die at pH 4.2, and amphibians are more susceptible to environmental changes. Yes they can


What effect does acid rain have on fish?

The pH scale runs from 0 to 14, with 0 being extremely acid and 14 being extremely basic (alkaline). Water with a pH 7 is dead neutral. This is a suitable pH for keeping most tropical fish. If your pH of your water is less than 6.8, it is considered acid water. Fish suitable for acid water include apistogramma dwarf cichlids, angelfish, discus, tetras, gouramis, rasboras, danios, many catfish and barbs. If your pH is more than 7.4 it is considered alkaline. Suitable species for this water include kribensis, some other cichlids, rainbowfish, livebearers (guppies, mollies, platys and swordtails) most barbs and most catfish. Some water is very alkaline, with a pH of over 8. This is generally suitable only for fish that have adapted to survive in these conditions, such as African cichlids - but these are large and demanding, so do plenty of research before you buy a tank for them.

Related questions

What pH should the water be in order for tropical fish to survive?

It is better for the fish to be put in water that it was found in.


What the pH the water should be for tropical fish to survive?

Different species of tropical fish require different pH settings. Generally, a tropical fish will thrive in a pH of between 6.5 to 7.5.


What to do to control the PH of the water for tropical fish?

There are a couple of things you can do to control the pH of the water for tropical fish. You can for example drain the water and start over.


Why should the pH for tropical fish be 7?

When setting up an aquarium we must allways try and simulate the fish's natural environment as best as possible. If a fish is found in water with a PH range of 6.0 - 7.0 that will be the range we would try and keep with-in an aquarium. As for the question "Why should the pH for tropical fish be 7" that is a bit of a trick question as different tropical fish have different PH ranges. www.justaddwateraquariums.com.au


Why is a low pH level bad for fish?

It shouldn't. A pH of 5.5 is much too acid to keep tropical fish. The only fish that will survive at this pH are species that are specifically adapted to very acid water, such as chocolate gouramis and some tetras. If you want to keep tropical fish, you will need to buffer the pH by adding something like oxy blocks to your water.


What PH th4e water for tropical fish to survive?

It depends on what type of tropical fish you are intending to keep; it ranges from 6 (freshwater & discus) to 8.5 (for cichlids).


Why should the water for tropical fish be 7.0?

The temperature and the pH of the water varies for each different species of fish depending upon where the fish evolved. Fish are regarded as being "Tropical" if they come from the tropics. The temperature range for tropicals is from around 65F for Whitcloud Mountain Minnows up to around 85F for Discus. So, you can see that your question is based on a wrong assumption. The water for Tropical fish should not neccessarily be 70F or pH7.0., and the pH varies from below pH6 for Discus through neutral which is pH7 for most livebearers and up to pH8 for African cichlids.


In fish tanks that hold tropical fish how much pH should there be?

it depends. for most fish it should be pH7-pH8 but some species like it at pH6


Why dous the PH have to be 5.5 so the tropical fish survive?

The pH in tropical systems should never be that low. Tropical systems need a pH of around 7.8-8.4. Always a little high with higher salinity and temperatures as well.


What the pH should be in water for tropical fish to survive?

Different varieties of fish thrive best in different pH readings. In general, a community tropical aquarium should be kept around 7.0; goldfish and livebearers such as guppies like 7.5; angelfish and tetras, 7.2-7.5; mollies and swordtails, 7.2 to 7.5. Your best bet is to buy a pH test kit from the pet store and test the pH in your tank's water. However, I find that my tanks maintain good pH just with regular maintenance, so I don't test pH unless I suspect a problem.


What pH the water shuold be for tropical fish to survive?

That depends more on the fish you are trying to keep. As a general rule most fish can adapt to almost any water conditions as long as it is clean, but not always. Just research the specific fish you are trying to keep to see what pH will work best for it.


What should the Ph level for the water be for guppies?

The same for every fish that is a freshwater fish: 7.