what is your water change schedule

  • We are currently upgrading MFK. thanks! -neo
Also get the waste (poop, uneaten food) that had been sucked up by the filter cleaned off (not a total cleaning, just getting the garbage out). I believe that's quite essential for keeping nitrates low, of course dont scrub anything spotless because that would mess with your BB

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In my fry and growout tanks, about 50% volume dripped daily.

My displays are so lightly stocked at the moment I'm not even doing big weekly changes ...just top offs. Bi monthly on the 300 around 50% with nitrates around 10ppm at each change.



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Man, some of you guys must have ridiculous water bills! I do 10-20% weekly, and with my current stock that is enough to keep the nitrates 10-30ppi. We are reliant on rain water collected on the roof to supply our whole house so I'm not going to change water just for the fun of it. IMO people often change far more water than needed, but I guess it is better that than not enough.
 
I do 2 X 50% water changes weekly on my main 220g tank. More when there is heavy rain and 1 X 50% when there is no rain (I have a separate stock tank on the roof which collects rain water. That is what I use as source for my fish tank).
I am in the process of building a 300g outdoor tank and that has a direct line from the roof too. The town water is too expensive.
 
I do 30-50% once a week, and in winter when our rain water tanks get filled up I try do another 30% once a week.
 
Man, some of you guys must have ridiculous water bills! I do 10-20% weekly, and with my current stock that is enough to keep the nitrates 10-30ppi. We are reliant on rain water collected on the roof to supply our whole house so I'm not going to change water just for the fun of it. IMO people often change far more water than needed, but I guess it is better that than not enough.
I got 6 teenage kids. they love there showers and baths, plus me and the wife. 350 to 375 gallons of water i change a week is a nominal compared. siphoning out the window helps tho we are charged for discharge also.
 
Its ALL depends on your Bio load! Its different for every person and every tank because no tank is identical.

The title is "schedule." The only way to determine a "schedule" is to TEST for a few weeks and bam you know you tanks load.




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Cheap way to decrease nitrates and keep your fish healthy: http://monsterfishkeepers.com/forums/showthread.php?t=504763
 
+1
 
siphoning out the window helps tho we are charged for discharge also.

Do they actually measure it? We were also charged for waste water when we lived in town, but it was just a percentage of what came out of the tap, regardless of whether you were watering your garden or putting it down the drain.


I agree completely F1, with my current 2000L set up and us only having one 22500L water tank to last us through the summer I'm actually going to have to watch how much water I change rather than just doing a regular 40-50% weekly "just incase". My pothos are steadily growing and so far I haven't had to change more than 20% to keep the nitrates in check, and hopefully it won't ever be much more than that. There are other reasons I don't want to perform large water changes, in winter there can be close to 20C difference between the tap water and tank water, so having to heat 1000L from <10C to 27C every week will drive up my electricity bill even more. I'd be interested to see how many people actually keep an eye on their nitrates regularly to see if they're changing enough (or too much!) water.
 
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