Need help with my ph level...too low - The Planted Tank Forum
 
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post #1 of 14 (permalink) Old 09-14-2007, 04:27 PM Thread Starter
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Need help with my ph level...too low

I recently moved my 100 gallon co2 planted tank from louisiana to atlanta, ga. I did a 50% water change yesterday becuase my ph monitor was telling me the ph was 5.0. That scared me so I tested my tap water ph and its about 6.8. So I filled my tank back up and the ph is 5.5 now. Is this normal and if not, what can I do about it. I just dont want my fish to be uncomfortable. I will test my gh and kh and let you guys know what it is.

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.

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post #2 of 14 (permalink) Old 09-14-2007, 04:28 PM Thread Starter
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also, I have SMS substrate in the tank with no driftwood at the momment

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.
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post #3 of 14 (permalink) Old 09-15-2007, 02:14 AM Thread Starter
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any feed back?

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.
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post #4 of 14 (permalink) Old 09-15-2007, 02:43 AM
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What was the ph before the move? I would just continue to do water changes every few days until it, ph, gets up a bit. I am in Atlanta as well and my water is pretty soft. Gh and Kh of 2-3 dH so my ph drifts down a bit between water changes.

BTW on Sunday the Atlanta Area Aquarium Association is having an auction. Don't know what its like myself as I haven't been before but I plan on checking it out. Looks like some pretty funny (fun) people.

http://www.atlantaaquarium.com/auction.htm
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post #5 of 14 (permalink) Old 09-15-2007, 10:32 PM Thread Starter
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my ph before i moved was about 7.0 in the tap and I would get it down to about 6.2 with co2. My Gh is like 10 I think and my kh is 5.

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.
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post #6 of 14 (permalink) Old 09-15-2007, 11:20 PM Thread Starter
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ok i think i know what the problem is. I have SMS substrate in my 100 gallon and 65 gallon. the 100 gallon tank is on co2 so I thought thats why the ph was so low. Well wrong. My 65 non co2 tank had the same low ph as the 100 gallon. I think the SMS has lowered my ph. What the hell am I gonna do now?

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.
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post #7 of 14 (permalink) Old 09-18-2007, 12:31 AM Thread Starter
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well i decided to disconnect my co2 from my ph monitor.
Ive just been running my co2 on a timer from 7:30 am until 6:00pm everyday. I did a 50% water change on sunday and added 1tsp of baking soda to the 100 gallon. My ph raised a little bit according to the ph monitor.

Is there anything else I should be doing?? I need help.

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.
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post #8 of 14 (permalink) Old 09-18-2007, 01:50 PM
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Atlanta water is surface-water based (reservoirs and the 'Hooch). It has a very low kH and GH (lived there a few years myself). Your pH will be fairly low - not sure if 5.5 is the "right" number, but it's not too surprising with CO2 injection.

For a while in Charleston (also very soft water) I would add baking soda with each water change. Then I got tired of that and tried without - lower pH's, but no dead fish . . . Plants looked as healthy as ever.

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post #9 of 14 (permalink) Old 09-18-2007, 04:32 PM Thread Starter
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yeah im just gonna let this settle out. The fish are doing great and it doesnt seem to bother them that the ph is low. I will continue to add baking soda with each WC. I just hope that this is a safe alternative to increasing the ph.

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.
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post #10 of 14 (permalink) Old 09-19-2007, 02:42 AM
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I've got very soft water, tap = pH of 5.95 and KH of like .1 or .2. I've been buffering w/ baking soda to 7.5 and running my auto pH CO2 injection at 6.8 and my fish are doing just fine. I've been told though that I don't need to do it. Not sure who to believe and what to do from here. I've asked this same question on several threads so sorry if you've read it b4. I'm just trying to get answers and haven't seemed to get definate direction yet so sorry to corrupt the thread.
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post #11 of 14 (permalink) Old 09-19-2007, 03:00 PM Thread Starter
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Quote:
Originally Posted by Tdon1md View Post
I've got very soft water, tap = pH of 5.95 and KH of like .1 or .2. I've been buffering w/ baking soda to 7.5 and running my auto pH CO2 injection at 6.8 and my fish are doing just fine. I've been told though that I don't need to do it. Not sure who to believe and what to do from here. I've asked this same question on several threads so sorry if you've read it b4. I'm just trying to get answers and haven't seemed to get definate direction yet so sorry to corrupt the thread.

yeah thats basically my situation. To add baking soda or not. ??

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.
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post #12 of 14 (permalink) Old 09-19-2007, 03:55 PM
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Eventually your SMS will stop changing the pH. I had the same issues too, it wears off after awhile. If I were you, I'd leave out the baking soda. Unless you measure precisely, how are you going to know for sure that you are keeping everything consistent between water changes? I'd say that a consistent pH is more important than the "proper" pH. Fish are amazing, they adjust to different pH levels surprisingly well - they just don't handle the pH swings very well. And trying to modify your water is always a pain! It's extra worry and headache that you just may not have to deal with. I'd venture to bet that 95% of the hobby fish can be kept in 95% of the tap water around the world. Doesn't mean that they'll be breeding, but it's very possible to keep them happy and healthy. Do your water changes and let it all even out. Stop fighting with your water - just do what works and don't do what doesn't!


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post #13 of 14 (permalink) Old 09-19-2007, 04:28 PM Thread Starter
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thank you jen. Thats the straight foward answer i was needing. I think that everything will be fine if i just leave it alone and keep doijng my weekly water changes.

100g tank:10 small angelfish, 1 harlequin rasbora, 2 albino cory, 2 clown loach, 1 rubberlip pleco, 1 bristlenose pleco and 1 apisto borellis.
Rena Filstar xp3, 2x32 and 1x96 watts with no co2.
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post #14 of 14 (permalink) Old 09-19-2007, 05:18 PM
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Actually fish could care less about pH. The TDS and KH/GH are what matter. When you do a 50% water change in a CO2 injected tank there is a difference in the pH. But normally the hardness is close to the same.
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