Low PH problem for my reef aquarium.

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Low PH problem for my reef aquarium.

Post  Finfun on 25th September 2014, 12:14 pm

Hi all, I am what you would call new to reefing and this forum, found you by searching for acan coral photos. Been trying my hardest for 5 months from cycling a 180litre with sump, so I will try to not sound totally dumb with what I am asking, Laughing What's been going on is I test for PH at least 3 times weekly and cannot get it to stay above 7.8, I use kalk up it goes and back down from a max of 8.2 with in hours, what can I do to correct this. Thanks cheers
Parameters are>
Ammonia 0
Nitrite 0
Nitrate 9 ppm
Temperature 25c
Salinity 0.23


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Re: Low PH problem for my reef aquarium.

Post  Dazza on 25th September 2014, 12:33 pm

Finfun wrote:Hi all, I am what you would call new to reefing and this forum, found you by searching for acan coral photos. Been trying my hardest for 5 months from cycling a 180litre with sump, so I will try to not sound totally dumb with what I am asking, Laughing †What's been going on is I test for PH at least 3 times weekly and cannot get it to stay above 7.8, I use kalk up it goes and back down from a max of 8.2 with in hours, what can I do to correct this. Thanks †cheers
Parameters are>
Ammonia 0
Nitrite 0
Nitrate 9 ppm
Temperature 25c
Salinity 0.23


Have you checked your test is right Try another brand or a mates. Couldn't hurt

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Re: Low PH problem for my reef aquarium.

Post  Finfun on 25th September 2014, 1:30 pm

Never gave that a thought so I will get that done, maybe at the lfs, thanks dazza

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Re: Low PH problem for my reef aquarium.

Post  Finfun on 28th September 2014, 8:40 am

No win Dazza, compared with a hanna checker and red sea,still close to same on all tests? Shocked
Any other ideas. Sad

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Re: Low PH problem for my reef aquarium.

Post  liquidg on 28th September 2014, 11:26 am

High finfun, first up where do you come from? You know, what town and state!

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Re: Low PH problem for my reef aquarium.

Post  Finfun on 29th September 2014, 10:39 am

Okay Question I live in Stanthorpe, I don't know why that would have anything to do with this, buy hey any help I can get would be appreciated. Very Happy

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Re: Low PH problem for my reef aquarium.

Post  liquidg on 29th September 2014, 1:24 pm

That sheds possibly a little light on your problem!

Some more on that later, okay so far you have been using kalk, well I am afraid itís not that great with out dosing with magnesium to support the needed base-acid expanding to give more alkaline test results- Thatís your kalk.

You have tested your test results and your test kit is okay, thatís done!
The next major contributor to bad test result is adverse amounts of co2 in the house or fish room.
This is the more later on bit-this can come from closed up house and heating, you live in a cold area at times, closing up the house with heating in use, this reduces oxygen and raises co2, and what is in the air you breath in the house is absorbed into the aquariums waters.
To fix this open up the house or run a line from your skimmer venturi to out side, that will help a lot, especially if your skimmer is chunky-large. Or if you have the money, connect your venturi line to an oxygen bottle, some do this though thatís a bit extreme!
Also serious disruption to your waters surface tension like a water fall or rapids, just as examples, this actions help with PH control.
Do you run a refugium?

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Re: Low PH problem for my reef aquarium.

Post  Finfun on 30th September 2014, 11:53 am

This is awesome, I got the wife to leave the space heater off in my fish room and the window open with an extra heater in the water and when tested after work, the PH is 8.1 now. Very Happy Very Happy My aquarium came with a refugium but the plants in there do really bad by getting covered by red slimy stuff all the time so I think it doesnít work. When getting the PH checked at the lfs, I bought a hanna checker on their advice for important phosphate testing? Is that correct do I need to test phosphate? Hey is gas heating any problem thatís our home heating

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Re: Low PH problem for my reef aquarium.

Post  formula409 on 1st October 2014, 3:01 am

Whats your phosphate level like? you sound like you need to use some GFO macroalgae isnt the best at pulling down high levels, best off just putting in some media be it GFO or a Ion Exchange Resin for phosphate.
Im a fan of the ion exchange (chemi pure, purigen, macropore etc) I think its really amazing stuff it will almost zero your levels in a few days but if it gets too full or the levels change really dramatically in the tank they can dump all the bad ions they have absorbed, just means you need to be on changing it really.
Blue Life Clear Fx Pro is a good product if you just want to buy one thing, it has ion exchange resin for PO4 and NOx and I think carbon aswell, saves you buying both resins, but I wouldn't regenerate it (like you can ion exchange resins on their own) (guppys has it I see your in an odd spot)

GFO is great too and it will get silicates out of the water, not much else will do this, there is no ion exchange for Si, once again it has some flaws of overfilling and releasing, just change it....

These chemical solutions really are cheating, and it dont compare too a good fuge/ATS but if your PO4 is out of wack its very hard for it to balance, in order for a biofilm (the bacterial growth) to be made or algae to grow there needs to be a ratio of available materials for life to develop, the common one followed is the REDFEILD ratio, which is the stoichiometric ratio of elements needed to build phytoplankton 106:16:1 C:N:P
Now this is why people carbon dose (VODKA VINAGER BIOPELLETS) it supplements the Carbon in the ratio and the N and P come from the high levels of waste/nitrate/phosphate etc.
But think about it your tank has Zero nitrate, so how can anything fix phosphate other then binding/dropping it out of solution with media/chemical (I think this is why you get cyanno, it needs less N)

You could dose nitrate Wink but id just drop everything to close to zero with media, let bacteria colonies develop and overtime you wont need media

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Re: Low PH problem for my reef aquarium.

Post  Finfun on 15th October 2014, 4:16 pm

Hey guys, got some rowaphos formula409 and PH is stable liquidg, many thanks cheers

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Re: Low PH problem for my reef aquarium.

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