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Old 03-11-2009, 02:57 PM   #1
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Low PH - help! :)

Surprizingly after having chronic high PH ( above 8.5) I tested my water today and found the PH at 7.4. I changed about 30% of my water yesterday with RO/DI ( been using it for top off) which I imagined might have lowered it in a hurry.

What is the best and safest way to remedy this? Was the big water change responsible for lowering the PH so suddenly? Or was it related to the ammonia spike? Ive been using treated tap before I started the ro/di.

lastly.. do I have to worry about trying to raise this or with some more PWC and getting past the ammonia spike ( no idea what caused it, must have had a minor power outage - areas been flooded lately)

thanks!!

ammonia: 0 ( I did have a pretty big spike a few days ago for some odd reason, hense the big water change) nitrite 0, nitrate about 10ppm, phosphate between 0-0.1ppm, temp 78.
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Old 03-11-2009, 03:01 PM   #2
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To be clear, you did a saltwater PWC using RO in your mix, right?
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Old 03-11-2009, 03:17 PM   #3
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Yes, I did a 30% PWC with my ro/di + reef crystals with salinity about 1.022. I am thinking after doing some reading the ammonia spike from the possible power outage caued my big PH drop.. should I try and remedy this or would PWC help it?
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Old 03-11-2009, 03:24 PM   #4
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Usually if you do have ammonia in your tank it will afect your PH. That`s why I always tell folks dont worry about PH during the cycle. I would try some frequent smaller PWC`s and see if that helps. SW by itself is a buffer so hopefully it will go back up. If not then you might need a buffer.
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Old 03-11-2009, 03:27 PM   #5
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Thanks I might go get a buffer just in case. Its best to just raise PH by 0.1-0.2 every 24 hours, correct? Or is it safer to do a bit more?
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Old 03-11-2009, 03:32 PM   #6
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If you get a Bottle of Seachem Marine or Reef PH Buffer it will keep your PH stable at 8.3, but i've only tried it once and it work for about a day but that should give it a boost though.
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Old 03-11-2009, 03:36 PM   #7
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Quote:
Originally Posted by Tank2379 View Post
If you get a Bottle of Seachem Marine or Reef PH Buffer it will keep your PH stable at 8.3
Thanks! Is it safe to raise it to that level in one day or should I increase slowly ( give a range - eg: 0.1 -0.2 day.. etc?)
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Old 03-11-2009, 03:36 PM   #8
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I`ve heard the folks here talking about using regular baking soda but I cant remember if to raise it do you bake it first or not. Maybe Kurt or the Captain will see this and let us know. I thought I`ve seen them talking about it before.
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Old 03-11-2009, 03:39 PM   #9
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Quote:
Originally Posted by melosu58 View Post
I`ve heard the folks here talking about using regular baking soda but I cant remember if to raise it do you bake it first or not. Maybe Kurt or the Captain will see this and let us know. I thought I`ve seen them talking about it before.
From what i've been reading if you use sodium carbonate and not sodium bicarbonate ( regular baking soda) its suppose to raise PH.
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Old 03-11-2009, 06:58 PM   #10
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Alright so.. I went out and bought some seachem marine buffer. I dosed as said on the bottle: 1 tsp per 20 gallons disolved in a cup of fresh water.

my PH went from 7.4 to way over 8.8 as far as I can tell. Why?? It states on the package its not suppose to shoot the PH over 8.3 even if overdosed. Sigh... see what power outages will do to a tank? lol.. very frustrating. Any more help appreciated.

I really hope this wont stress the fish too much
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