Ph raising and lowering - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 07-12-2007, 10:45 PM Thread Starter
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Ph raising and lowering

Just wondering what you guys use to lower or raise ur ph because i heard those chemical buffers give you algae problems
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post #2 of 7 (permalink) Old 07-13-2007, 12:17 AM
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In my convict tank I use buffering sand, which I think is used for marine aquariums...But that works for me.

Only way I know to lower it is with peat, but I think there are easier ways to do so.

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20 gallon long low light garden.
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post #3 of 7 (permalink) Old 07-13-2007, 01:12 AM
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Originally Posted by chippie View Post
Just wondering what you guys use to lower or raise ur ph because i heard those chemical buffers give you algae problems
Hi Chippie

Carbonate and bicarbonate based buffers do not cause algae problems as far as I know. They increase the alkalinity and pH of the water. These include sodium bicarbonate (baking soda) and Seachem's Alkaline buffer. You can also use crushed coral, sea shells, calcium carbonate, dolomite, Seachem's Onyx substrates, most marine substrates, most African cichlid substrates and many other products to increase the alkalinity, KH and pH.

Some people say that phosphate based buffers can cause algae problems. These include API's Proper pH and Seachem's Neutral Regulator.

Most people with planted aquariums use CO2 to lower the pH.

Acid buffers aren't usually used.

Products like pH UP and pH DOWN aren't usually recommended.

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post #4 of 7 (permalink) Old 07-14-2007, 02:08 AM Thread Starter
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so the best thing to do is get a ph controller and a solenoid for my co2 system ?
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post #5 of 7 (permalink) Old 07-14-2007, 03:07 AM
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Chippie

I have two of the Milwaukee SMS 122 pH controllers and I really like them. The Pinpoint pH controllers are better, but they cost twice as much.

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post #6 of 7 (permalink) Old 07-18-2007, 12:32 AM
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If you want to lower the pH the best bet is raising the CO2 (only works to a point....I think about 1pH) or use RO water. You could also filter your water with peat (which will turn it a tea color).

To raise your pH add baking soda or special substrates like Left C sugguested.


I guess the more important reason is why are you trying to change your pH because often times its not as big of a deal as many people make it out to be.
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post #7 of 7 (permalink) Old 07-18-2007, 11:42 PM
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Ph controller...

Personnally I use a solenoid, an inexpensive timer and a drop checker ( visual CO2 indicator)

Thatís right enough equipment for me and the only thing I have to do is to change my dropchequer liquid one time every 2 or 3 months, easy, acurate , inexpensive...

The first thing to look at when you want to play with ph is your KH (carbonate hardness)

10 to 20 ppm kh will give you a ph around 6.8, 30 to 40 will give you a ph around 7.2, 7.5. These are rough estimation. And all that magic without expensive equipment.


What type of water you want, acidic like amozonian or basic like african lake???

Last edited by Glouglou; 07-19-2007 at 02:17 AM.
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