How do you do large water changes? - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 15 Old 02-09-2014, 09:35 PM
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I attached a pump to a hose and pump the water out. It would take FOREVER to drain 80-90 gallons of water from a 125 without some help.

125 - BGK, chanchito cichlid, pictus cats, silver dollars, palmas bichir
125 - cichlids (severums, bolivian rams, chocolate), rainbows ( turquoise, red), loaches (angelicus, zebra, kuhli and horseface), plecos (BN, RL and clown), denison barbs, tiretrack eel, pearl gouramis, betta
90 - Congo tetras, african knife, upside down cats, spotted ctenopoma, kribensis, delhezzi bichir
2.5 - betta
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post #12 of 15 Old 02-12-2014, 04:25 PM
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I also do things the old fashioned way.. I mostly use 5 gallon buckets to fill the tanks back up (or gallon pitcher on the smaller tanks). I dechlorinate the water before it ever touches the tank. I also refuse to use hot water while filling the jugs for the tanks, just straight cold water and a heater to bring it within range. I have heard rumors that older houses used copper pipe and running hot water can cause the metal to leach things into the water.. Sooo, better safe than sorry, i just avoid hot water all together when it comes to the tank. Maybe I'm too paranoid, but It's been working all this time so why change now?

Also, i know lots of people that use pythons to refill their tank. They always dose prime for the whole water volume of the tank then add straight into the tank out of a sink. Again, I'm a bit of a baby when it comes to that as well.. I have way too much money invested in fish that i am attached to to give it a try. I know it works cause i know too many people that do it with good results, but i just cant bring myself to do it on my personal tanks. So i just stick with what i've known all these years.
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post #13 of 15 Old 02-12-2014, 04:28 PM
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How do you do large water changes?

A lot of people who use water changers do not dose for the entire volume of the tank, including me.

I've got almost $500 worth of fish just in one tank. I look at my fish and see dollar signs. I wouldn't do anything to jeopardize my investment.
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125 - BGK, chanchito cichlid, pictus cats, silver dollars, palmas bichir
125 - cichlids (severums, bolivian rams, chocolate), rainbows ( turquoise, red), loaches (angelicus, zebra, kuhli and horseface), plecos (BN, RL and clown), denison barbs, tiretrack eel, pearl gouramis, betta
90 - Congo tetras, african knife, upside down cats, spotted ctenopoma, kribensis, delhezzi bichir
2.5 - betta

Last edited by jaysee; 02-12-2014 at 04:30 PM.
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post #14 of 15 Old 02-12-2014, 04:35 PM
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Quote:
Originally Posted by jaysee View Post
A lot of people who use water changers do not dose for the entire volume of the tank, including me.
Oh, I'm sure that's true, I didn't mean to imply it wasn't. I'm just saying the people i know personally who do water changes that way all use prime dosed for the whole water volume. I'll be the first to admit there are tons of different ways to do the same thing in this hobby. Of course dosing for the water added vs the whole water volume would be more cost effective for sure. What conditioner are you using? That way we know what conditioner you have been using to successfully treat the water you are adding back.
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post #15 of 15 Old 02-12-2014, 04:46 PM
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How do you do large water changes?

I use prime. I change like 350 gallons when I do water changes, so I like that a 500ml bottle treats 5000 gallons.

I misspoke earlier. I DO dose for the entire volume of the tank for a normal water change because I change 80% of the water. When I do a small water change I dose between the amount being changed and the total volume - I'm not exact in my measuring. I would agree it's better to dose a little more than needed than not enough which is why I just go ahead and dose the whole tank when doing my 80% changes.

I think it's silly for someone doing a 20% change to dose the whole tank, but it's cheap and if that gives you peace of mind then it's worth it.

125 - BGK, chanchito cichlid, pictus cats, silver dollars, palmas bichir
125 - cichlids (severums, bolivian rams, chocolate), rainbows ( turquoise, red), loaches (angelicus, zebra, kuhli and horseface), plecos (BN, RL and clown), denison barbs, tiretrack eel, pearl gouramis, betta
90 - Congo tetras, african knife, upside down cats, spotted ctenopoma, kribensis, delhezzi bichir
2.5 - betta

Last edited by jaysee; 02-12-2014 at 04:49 PM.
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