pH

booya

Member
What is the best way to raise your pH? Mine is a little low and I would like to raise it .2 or so.
 

bang guy

Moderator
Bad idea IMO. Low PH is a symptom and fixing it will just mask the problem. Let's start with PH but can you provide your other reading as well like Ca and ALK?
What are the morning & evening PH levels?
 

reefnut

Active Member
I wouldn't worry about it. Unless you have something dragging the PH down or forcing it up just leave it be IMO. Alk and Calcium is my main concern.
JMO,
 

booya

Member
Night= 7.8
Morning=8.0
I do not have a ALK or Ca test kit yet. I need to get one and will when my wife lets her death grip off of her purse. (will be a while) Should I add Ca?
 

beaslbob

Well-Known Member
I agree with previous posters.
additionally ph drops in my 55g occured after running the system for about three months. More than anything else, I just let the system run and build up buffering on it's own. Now it stays at 8.4 all the time. Kinda like a late happening cycle type thing.
 

reefnut

Active Member
Get a alk and calcium test kit! Keep your alk around 11dKH are calcium around 440ppm and you PH should fall in place.
 

overanalyzer

Active Member

Originally posted by ReefNut
Good suggestion overanalyzer, most LFS will test it for cheap.

or free if they care about your business!!
 

booya

Member
I should not add them then. Until I get a test kit. I my be a month or so because my town does not have any.
 

reefnut

Active Member
Do not add anything until you can test the water. You will not know what you need to add or how much.
 

beaslbob

Well-Known Member
Booya:
Correct me if I am wrong but weren't you also trying to get rid of hair algae with reduced lighting? As I remember you also reported ph of 8.0 at that time. If this is correct have you noticed your PH lowering as the hair algae disappeared? My PH corrected itself after I added plant life. Just a thought.
 

booya

Member
The algae is going away a little and the pH has went down some. I was thinking that if I got the pH to were it needs to be that the algae would go way quicker. the pH was at 8 all the time and now it stays in the high 7's and will get to 8 every now and then.
 

beaslbob

Well-Known Member

Originally posted by booya
The algae is going away a little and the pH has went down some. I was thinking that if I got the pH to were it needs to be that the algae would go way quicker. the pH was at 8 all the time and now it stays in the high 7's and will get to 8 every now and then.

I am not an expert here but I think you got it backwards. Kip did a nice thread on ph bout a month or two ago. Also other sources report that plant life buffers ph. From kip's thread it seems the carbon dioxide leads to ph drop. As you already know, plant life consumes carbon dioxide. So as you (and I) have observed as plant life decreased ph went down. Of course that is overstated and buffering in the system comes into play also. But it is what we have observed.
Perhaps the best thing to do is get the plant life where you want it and then worry about the ph (within reason). Again adding macros or marine plants would consume the carbon dioxide, plant nutrients and therefore control the hair algae and buffer the ph.
In my system I did add a pinch of baking soda and it did seem to help. But the real solution was more maturing of the system and the addition of plant life.
 

bang guy

Moderator

Originally posted by booya
I should not add them then. Until I get a test kit. I my be a month or so because my town does not have any.

Correct, do not add Ca without testing. A good sized water change would be safe though and could help.
 

bang guy

Moderator

Originally posted by beaslbob
As you already know, plant life consumes carbon dioxide

This is only true while it is able to photosynthesize. When the lights are off the process is reversed and algae consumes O2 and expells CO2. If you have a lot of Macro algae in a display tank this can make quite the dramatic drop in PH overnight.
 

booya

Member
Thanks I think that I will get the test kits as soon as I can. With high ALK and Ca the purple and green algae in my tank should take over and push out the green hair algae right?
 

beaslbob

Well-Known Member

Originally posted by SquishyFish
Bob...You should just be able to copy/past all of your post. One word......
"Plants"
...

Yep:D
Bob plants
everyone else do a water change.
:D
 

beaslbob

Well-Known Member

Originally posted by booya
Thanks I think that I will get the test kits as soon as I can. With high ALK and Ca the purple and green algae in my tank should take over and push out the green hair algae right?

Hopefully the hair will die off under the reduced lighting and the coraline can catch up when the lights return. Coraline also needs calcium. All part of establishing a system.
 
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