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Thread: pH raise

  1. #1
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    pH raise

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    hi all, i have been rearing the shrimps in my 2ft tank for about 7months already. starting was 6.0pH, now it have become 7.0 already. any idea what causes it?

    i only have plants and driftwood in the tank. using ada II soil. weekly water change 30%.

    please advice what to do next as my crs have been dying..

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    Re: pH raise

    Your water change has been removing the acidic properties of the ADA soil. You can try using Mosura pH down to reduce the pH a little bit at a time. Dose slowly so that not to shock the shrimps.

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    Re: pH raise

    How much Ada 2 are you using? Any stones or coral chips used?
    a photo of your full tank setup might be useful

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    Re: pH raise

    Aged and treat your water few days first instead of topping up directly.

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    Re: pH raise

    If the 'new water' is at ph7 or higher, how to treat it to bring down the ph?

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    Re: pH raise

    Quote Originally Posted by berlinjs View Post
    If the 'new water' is at ph7 or higher, how to treat it to bring down the ph?
    Aging it might help if i m correct. I know i use to have ph 6.8 last time so i age for 1 week + meaning when i use the water to W/C today i will collect new water to age until the next water change. But i m not that confirm whether new water will have the same effect. Lately i test my tap water funny that the Ph went down to 6.4 around my tank condition which is 6.2

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    Re: pH raise

    Quote Originally Posted by cheetf View Post
    Your water change has been removing the acidic properties of the ADA soil. You can try using Mosura pH down to reduce the pH a little bit at a time. Dose slowly so that not to shock the shrimps.
    i thought normally it last 1 to 2 years? has it been sold in the market already? so everytime i do water change i have to add the pH down rite?

    Quote Originally Posted by gryphon View Post
    How much Ada 2 are you using? Any stones or coral chips used?
    a photo of your full tank setup might be useful
    one large packet for 2x1x1 feet tank. no stone nor coral chips just simple tank with soil, moss, driftwood..

    Quote Originally Posted by rcw View Post
    Aged and treat your water few days first instead of topping up directly.
    if i am not wrong aerate water only brings the pH up? or aged does not equal to aerate?

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    Re: pH raise

    You can try the mosura pH down, or some suggested ketapang leaf. And its safer to aged the water first before topping up directly.

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    Re: pH raise

    Quote Originally Posted by saddyboi View Post
    i thought normally it last 1 to 2 years? has it been sold in the market already? so everytime i do water change i have to add the pH down rite?
    You seem to do fairly large water changes. Also ADA 2 doesn't seem to last as long. pH down is on sale already, basically you add till you achieve the pH that you want. When you change water you also can adjust the water you intend to add in to match the tank water.

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    Re: pH raise

    Quote Originally Posted by Jianyuan View Post
    You can try the mosura pH down, or some suggested ketapang leaf. And its safer to aged the water first before topping up directly.
    okie.. bought the pH down..

    Quote Originally Posted by cheetf View Post
    You seem to do fairly large water changes. Also ADA 2 doesn't seem to last as long. pH down is on sale already, basically you add till you achieve the pH that you want. When you change water you also can adjust the water you intend to add in to match the tank water.
    too much? 10% will do issit? so what kinda soil last longer? need a future plan..

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    Re: pH raise

    I'm using ADA II soil...last me about 9-10 months only...
    Partly...I'm using UGF with make the soil lost it's capability faster...

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    Re: pH raise

    Hi Bro Newlife

    Just curious, when your soil depletes, can share how you change the soil? You are not using another tank, are you?

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    Re: pH raise

    Quote Originally Posted by saddyboi View Post
    too much? 10% will do issit? so what kinda soil last longer? need a future plan..
    Actually no hard and fast rule on how much to change. The thing is the higher percentage and the more often you change the faster the soil depletes. Since there is now Mosura pH down, I have no plans to change the soil until it starts to break down. It is too much trouble to change and cycle the tank every few months. Very disruptive. Now it is as simple as before you change water adjust it to the pH that you want or to match your tank water and that's it.

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    Re: pH raise

    Bro is the PH fluctuating in the day and night or constant increasing? Just to share plants do take in carbon dioxide and give out oxygen when photosynthesis. But when not photosynthesis it will take in oxygen and give out carbon dioxide which indirectly produce carbonic acids to cause your PH drop. So maybe in the first place your PH in the water might not be low at all. You can see the difference in PH drop when you switch off your lighting when it's dark. There are alot of possible reasons, could be soil, carbon or filter medias or rocks and plants. I used to have such PH problems with gex soil, till i slowly test and try, then realize it's the soil. Now I've turn to benibachi crimson soil no such issue.

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    Re: pH raise

    Quote Originally Posted by Zenith82 View Post
    Bro is the PH fluctuating in the day and night or constant increasing? Just to share plants do take in carbon dioxide and give out oxygen when photosynthesis. But when not photosynthesis it will take in oxygen and give out carbon dioxide which indirectly produce carbonic acids to cause your PH drop. So maybe in the first place your PH in the water might not be low at all. You can see the difference in PH drop when you switch off your lighting when it's dark. There are alot of possible reasons, could be soil, carbon or filter medias or rocks and plants. I used to have such PH problems with gex soil, till i slowly test and try, then realize it's the soil. Now I've turn to benibachi crimson soil no such issue.
    I think what bro saddyboi means it the pH has now creep up from a constant of 6 to now a reading of 7. Agreed, pH fluctuations can be also caused by your plants. Be careful about pH readings from meters that are AC powered, they actually change when you turn the lights and other equipment on and off. Gex soil loses its pH holding qualities the fastest. How long have you used your benibachi crimson soil?

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    Re: pH raise

    Quote Originally Posted by cheetf View Post
    I think what bro saddyboi means it the pH has now creep up from a constant of 6 to now a reading of 7. Agreed, pH fluctuations can be also caused by your plants. Be careful about pH readings from meters that are AC powered, they actually change when you turn the lights and other equipment on and off. Gex soil loses its pH holding qualities the fastest. How long have you used your benibachi crimson soil?
    Hi Cheetf, so far I've reset my shrimp tank with Benibachi soil for one month plus, so far readings are good at pH 6.4 +-1. Wanted to get the new Mosura soil that everyone's talking about. But no luck on getting my hands on any yet. Will want to get that soil, when it's officially on sale.

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    Re: pH raise

    Quote Originally Posted by newlife View Post
    I'm using ADA II soil...last me about 9-10 months only...
    Partly...I'm using UGF with make the soil lost it's capability faster...
    so u change ur soil every 10 months?!

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    Re: pH raise

    For me I wiill keep a spare running tank. This tank will set up 2 to 4 months a part from the original so that when the 1st tank soil is up. just move the shrimp to the spare tank and reset teh 1st tank and once the 1st tank finish cycling than shift the shrimp back. Keep teh spare tank running till soil is up and reset the spare tank.... and this goes one say every half yearly.

    goody992828

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    Re: pH raise

    Quote Originally Posted by goody992828 View Post
    For me I wiill keep a spare running tank. This tank will set up 2 to 4 months a part from the original so that when the 1st tank soil is up. just move the shrimp to the spare tank and reset teh 1st tank and once the 1st tank finish cycling than shift the shrimp back. Keep teh spare tank running till soil is up and reset the spare tank.... and this goes one say every half yearly.
    Wow that is a lot of effort and cost. What type of soil are you using?

  20. #20
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    Re: pH raise

    Quote Originally Posted by Zenith82 View Post
    Bro is the PH fluctuating in the day and night or constant increasing? Just to share plants do take in carbon dioxide and give out oxygen when photosynthesis. But when not photosynthesis it will take in oxygen and give out carbon dioxide which indirectly produce carbonic acids to cause your PH drop. So maybe in the first place your PH in the water might not be low at all. You can see the difference in PH drop when you switch off your lighting when it's dark. There are alot of possible reasons, could be soil, carbon or filter medias or rocks and plants. I used to have such PH problems with gex soil, till i slowly test and try, then realize it's the soil. Now I've turn to benibachi crimson soil no such issue.
    Bro, can I check with you? I got this crimson soil too 3 months ago and everything was fine and CRS are breeeding. Did not test the ph until recently seeing my CRS drop one by one. Just did the check and found the ph to be 7 which is not normal. I only have lava rocks and moss on mess in my shrimp. Don't know what happen, not sure if anyone can help.

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