What are the benefits of extra water change?

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i know people that do 90percent water changes every 3 days and they have no problems at all like said before it just depends on bioload,filter etc......
 
I wouldnt do that much at the same time unless there was a major problem and you couldnt wait. but if your tank is ok to begin with I would do 30% 2x or so. Adding 50% or more at one time could maybe shock him or stess him out easyer.
+1, I've found that even with my lack of experience, my pleco seems less affected by 2 25% water changes than 1 50% water change.
 
I'm curious if there are benefits if i do extra water changes?
for example, I currently do weekly 30% water change to my tank,
will there be benefits to my fish if i were to do 30% water changes 2 times a week instead of just once a week?
what id my Nitrate level is quite low? what benefits are there besides getting rid of nitrate?

Infusion of minerals is another benefit, your water will become nutrient deficient if you don't change it. I've seen water changes produce healthier happier more attractive fish. There is allot of different reasons for this but suffice it to say in most cases fish would be happy to receive a 30 percent change every day if you could manage it.
 
Famous discus breeder Jack Waitley has 100% of his brreder tanks water changed daily automatically. With water changes the more the merrier.
 
i know people that do 90percent water changes every 3 days and they have no problems at all like said before it just depends on bioload,filter etc......

Do you do 90%? I can see it with hardy fish like cats and some older silver Aros and maybe piranhas in small tanks that need a extreamly good cleaning, but it might not be the best thing for fragile fish like payaras and rays. and to do a 90% water chinge I thing you would need a really gunked up filter with a sh*t ton of bacteria in it
 
Do you do 90%? I can see it with hardy fish like cats and some older silver Aros and maybe piranhas in small tanks that need a extreamly good cleaning, but it might not be the best thing for fragile fish like payaras and rays. and to do a 90% water chinge I thing you would need a really gunked up filter with a sh*t ton of bacteria in it

i do 70percent 1 time a week
 
i do 70percent 1 time a week

ok well if its working for you and your fish are ok then keep it up. Thats just my word for it, everytank is different. I do 20 to 30 every 2 to 3xs aweek and my fish seem to be ok so thats all that matters :)
 
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