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Old 03-29-2014, 11:20 AM   #1
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General hardness

My tank general hardness is high on my freshwater tank how do I lower it?
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Old 03-29-2014, 11:58 AM   #2
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Typically, this is caused by using tap water with a high general hardness. General hardness can be reduced by replacing water with a mix of tap water (with high general hardness) and reverse osmosis or distilled water at water changes. The ratio of the mix depends on the desired gH.

It is very important to mix RO/DI water with the tap, adding straight RO/DI water can harm fishies.
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Old 03-29-2014, 12:03 PM   #3
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Okay then & where do I get that kind of water from.
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Old 03-29-2014, 01:04 PM   #4
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Do anyone know where I can get that kind of water from?
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Old 03-29-2014, 01:06 PM   #5
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What exactly is your gh and kh? What test kit are you using or are you using test strips? What fish are you keeping?

Unless you have certain delicate fish or certain inverts generally a tanks ph/kh/gh doesn't need to be adjusted as most can acclimate to the levels. It's much better for ph/kh/gh to be stable than to try adjusting it.

If a tank has to have certain ph/kh/gh levels using RO water to lower levels has to be done carefully and consistently each week so you keep levels the same. I don't suggest messing with your water unless absolutely necessary.
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Old 03-29-2014, 01:09 PM   #6
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Oh okay just seem my oscar fish are acting different & I used the strips to test the water.
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Old 03-29-2014, 01:13 PM   #7
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They are very messy fish and toxins can build up quickly in their tank. What is the tank size and how many Oscars and their sizes?
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Old 03-29-2014, 01:14 PM   #8
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It's a 55g tank,they are kind of big. Click image for larger version

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Here is a picture of them in the tank.
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Old 03-29-2014, 01:17 PM   #9
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They are going to need a much bigger tank and hope you are doing at least a 50% WC or two weekly. You also need to be running a canister filter and cleaning it every 2 to 3 weeks.
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Old 03-29-2014, 01:22 PM   #10
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Yes I clean it every week & do about 40-50% wc but I was trading them in this weekend anyways because I knew they were getting to big for the tank. But thanks for the info
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Old 03-29-2014, 01:24 PM   #11
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Also when I buy a canister filter how do I run it or have it work?
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Old 03-29-2014, 01:26 PM   #12
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I run fluval 406's on my 55g tanks. Look up that filter and read about how it works.
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Old 03-29-2014, 01:27 PM   #13
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Okay thanks. Does it just run from that filter or do you need another for it to run from? Can you maybe take a picture of you full setup so I can get a idea?
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Old 03-30-2014, 06:18 AM   #14
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The pump is in the canister. It uses a siphon to bring water down, then pumps it back. The canister looks like a bucket (depending on brand of course)
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Old 03-31-2014, 12:21 PM   #15
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Okay thank you sweetie
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Old 03-31-2014, 04:34 PM   #16
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(Old Scales ducks his head as he knows you don't call a confident, intelligent woman "sweetie".)
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Old 03-31-2014, 04:44 PM   #17
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Quote:
Originally Posted by Old Scales View Post
(Old Scales ducks his head as he knows you don't call a confident, intelligent woman "sweetie".)
I was a little taken aback as well
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Old 03-31-2014, 05:16 PM   #18
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Quote:
Originally Posted by threnjen View Post
I was a little taken aback as well
jen is our AA Sweetie
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Old 03-31-2014, 08:36 PM   #19
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Okay didn't mean anything wrong by it. It's just a simple little word
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Old 03-31-2014, 08:41 PM   #20
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LOL We knew you didn't mean it wrong. We're just having some fun with you. Join in and welcome to the funny farm. OS.
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