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Piranhas are very hardy fish and can adapt to a wide range of water conditions, but it is important to target the ideal conditions for them. Piranhas do fine in pH between 6.0-7.5, Ammonia/Nitrate/Nitrites ideally 0, water temperature between 74-84°F, KH below 6, GH 5-15. Water changes are based on pH. As pH approaches 6.0, the need for a water change to raise pH increases. Also, if there is uneaten food on and within the gravel bed, a water change with gravel cleaning should be done to avoid an ammonia and nitrite spike. A general weekly schedule of 20-30% water change is recommended,..more or less depending on the number of fish housed and filtration. Filtration ideally would be 10x the size of tank you have,..example~for a 90gal tank, filters turning 900gals of water over an hour should be adequate. Filtration would include bio, mech and chem..i rarely use carbons in my tanks per personal preference. Keeping more than one filter is recommended so your cycle is not disturbed when cleaning. Hang on filters such as Emperors or AquaClear are great for mechanical cleaning and canisters or wet/dry sumps for biological. An established biological colony is neccessary for removal of harmful Ammonia and Nitrites. I use pot scrubbers in my filters but ceramic rings/stars,bio balls even lava rock can be used. Water testing is a must and should be done regularly. If your ph is high, the best way to lower
pH is by adding peat moss to your tank either in the filter or pre-treat the water. I put 1 cup of peat per 10 gallons of tank water in a nylon stocking and tie it shut, place it in my filter and leave it in there. Peat will add a yellow-brown tint to the water and it also softens the water which is good for piranhas as well,..driftwood is commonly used as well to soften water. To raise pH crushed coral can be used, this also raises water hardness too though,..well, i hope this covers water/filtration in keeping of Piranhas,..any specific questions? Post em:) Thats what we're here for,..Cam
pH is by adding peat moss to your tank either in the filter or pre-treat the water. I put 1 cup of peat per 10 gallons of tank water in a nylon stocking and tie it shut, place it in my filter and leave it in there. Peat will add a yellow-brown tint to the water and it also softens the water which is good for piranhas as well,..driftwood is commonly used as well to soften water. To raise pH crushed coral can be used, this also raises water hardness too though,..well, i hope this covers water/filtration in keeping of Piranhas,..any specific questions? Post em:) Thats what we're here for,..Cam
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