low ph i think - The Planted Tank Forum
 
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post #1 of 13 (permalink) Old 03-01-2014, 11:33 PM Thread Starter
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low ph i think

i just put a gourami fish in my tank like 3 days ago. and today i woke up and it was barley clinging to life i returned to the fish store and they said my ph was really low i got home and checked it it was at 6.5 i read that baking soda works but i was wondering what to add if any at all and also to add crushed coral in the fiiter
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post #2 of 13 (permalink) Old 03-01-2014, 11:41 PM
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6.5 is not really low.

2 2.5s, 3 10s, 2 20s, 1 29. Low light, low tech. Ponds
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post #3 of 13 (permalink) Old 03-02-2014, 12:03 AM
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I wouldn't mess around with changing the ph. It's not a straightforward process and the changes are more stressful than adjusting to a new value. My guess is something else is going on.
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post #4 of 13 (permalink) Old 03-02-2014, 12:43 AM
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Is that the only fish in the tank?

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post #5 of 13 (permalink) Old 03-02-2014, 05:16 AM
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Test the water in the bag when you buy a new fish.
Set up a quarantine tank to match that water.
GH, KH, TDS, pH
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post #6 of 13 (permalink) Old 03-02-2014, 12:58 PM
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Or just drip acclimate the fish.

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post #7 of 13 (permalink) Old 03-03-2014, 12:43 AM Thread Starter
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i dont have the equipment to quarantine the fish and i just float the bag usually and that works i also use ro water should i get buffer or just leave it alone
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post #8 of 13 (permalink) Old 03-03-2014, 04:48 AM
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You use RO.
The store probably does not.

The fish cannot adapt that quickly.

A) add enough minerals to your tank that it matches the store.
or
B) use a quarantine tank. Set it up just long enough to acclimate the fish. Depends on how different the water is from the store compared to your water. Might take a week or two or longer.
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post #9 of 13 (permalink) Old 03-05-2014, 03:59 AM Thread Starter
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diana I do indeed use RO water almost exclusively should I check the bag water do i need to get some mineral buffer from the store
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post #10 of 13 (permalink) Old 03-06-2014, 05:15 AM
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You probably should look into it.

Is the local water (whatever system the fish store is on) relatively hard? That is, at least 2-3 German degrees of hardness harder than the water in your tank?

Fish that are acclimated to somewhat harder water have a very hard time adapting to softer water. You can research osmotic balance and similar subjects.
Most basically:
Fish need to get rid of excess water that enters their body.
Their metabolism is geared to handle just a certain amount of excess water. When more water starts entering their body they need to adjust their metabolism. This takes time (up to a month).
When they are moved into water that is much softer than what they are acclimated to so much more water enters their cells that they can die.

Easiest way to tell:
Ask at the store if they treat their water at all, especially if they blend it with RO or distilled. Ask what the GH, KH and TDS of their water is.
Tell them why: You want to get more fish, but want to set up a quarantine tank that matches the store water.
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post #11 of 13 (permalink) Old 03-08-2014, 11:28 PM Thread Starter
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oh i think its down i bought another fish same one and its doing fine i also bought some buffer to use with r.o water with the next water change
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post #12 of 13 (permalink) Old 03-09-2014, 05:24 AM
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Wrong idea in general and even more so if you don't know what you're doing and doing to the water.

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post #13 of 13 (permalink) Old 03-09-2014, 09:49 PM
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I don't think you quite get the idea of what we are trying to say
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