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TOPIC: Creeping PH?

Creeping PH? 5 years 3 months ago #177

  • DubSmacks
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I am really getting frustrated with this tank now as I keep taking down the TDS more and more and it always comes back to a PH pf like 8.0-8.4 in a day. It is probably hard on my shrimp and even more now that I have babies. On top of that I have apparently high nitrate levels up in the 40 ppm range. I don't know how the two keep raising in synchrony. I never would have thought that my nitrate would be that high with all the plants that I have in the tank. I just took ~40% of the water out and am planning to add 10% every 6 hours. Then maybe restart the process later. To minimize the shock I plan to let the water sit in the containers until the temps equalize. I really need to get the nitrate down. It was probably snail death along with the rest of my frogbit melting from the high PH. My hygroryza aristata and frogbit died but my salvinia keeps on growing like crazy. I am kinda scared because I want to move into more expensive shrimpa nd I keep almost killing these neo's... very disheartening... :(
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Creeping PH? 5 years 3 months ago #180

  • xenxes
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Generally I'd just tell you to plant more, or add some emergent plants and floaters, need more info to see why your floaters are melting though. Decomposing floaters would account for the excess nitrates. You could stick in some emergent plants in the interim, like spider lilies or lucky bamboo (dracaena sanderiana). If you're running a HOB you could throw some aquatic stems inside and plant it.

Can you post a pics of the tank?

- Substrate: Fluorite should not change pH, no other additives? What about hardscape, any rocks like limestone?
- Water: You said water was pH 5.6, when did you test this? Let it sit over night, or run a bubbler through it for 2 hours, then retest. Water saturated with CO2 will have a much lower pH, don't test it straight out of the tap as it's not accurate.
- Lighting? Flow?
- Are you running a bubbler?
- What kind of filtration?
- How are ammonia and nitrite levels? TDS? (Tank water, you said your tap had 0 TDS but lots of iron? Make sure the meter is accurate, lots of iron should register on a tds meter)
- Any other inhabitants?
- Feeding schedule?
- Dose any nutrients?

Neos can tolerate and breed in pH 8. Stability is more important to them than repeatedly doing water changes, too much w/c and shifting conditions (going from pH 6 to 8 daily) is more likely to kill them than letting it be, we should figure out how to get your tank balanced for the long run.
Last Edit: 5 years 3 months ago by xenxes.
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Creeping PH? 5 years 3 months ago #181

  • diwu13
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Have this happening for me as well. TDS just wasn't dropping even with 20% RO/Di water changes. A thought occurred to me. Any chance you did something to cause a mini cycle in the tank? That would explain both the TDS and nitrate rise.
Fish Shrimp tanks are like cups of coffee, one is never enough.

ヽ( ゚ヮ゚)ノ.・゚*。・+☆ My Tanks! (2x 10G, 20L)
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Creeping PH? 5 years 3 months ago #182

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Yes I took out my canister filter without cycling the new sponge filter. It was sudden though it just started rising fast every day about two weeks after I put it in. I thought that there would be more bacteria to deal with that anyway.
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Creeping PH? 5 years 3 months ago #183

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No additives. Lava rock for hard scape.

I just tested some left out overnight that came to 6.2 PH.

I have constant mild flow all around the tank. I use a 78W T5 HO fixture.

I am running a sponge filter and that counts as a bubber.

My ammonia and nitrite are zero. TDS is 224. Tap is 24.

Just Neos and pond snails.

I feed every week a small stick of barley with maybe a snack of spinach that is always taken out.

I dose no nutrients.
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Creeping PH? 5 years 3 months ago #185

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Really seems to me that the cycling is causing the rise in TDS and nitrates! Unless you're using the old filter media, a lot of the plants/decor from an established tank, you shouldnt' stick shrimp in right away!
Fish Shrimp tanks are like cups of coffee, one is never enough.

ヽ( ゚ヮ゚)ノ.・゚*。・+☆ My Tanks! (2x 10G, 20L)
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