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Crabby

Stocking a 5 Gallon

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Crabby

Got some interesting test results today. Low ammonia, nitrite spike and nitrate is appearing. GH is 5.5 and KH 1.5, which is weird. And my pH is the weirdest - it was 7.4 two days ago, and is 6.2 today. And the 7.4 was measured AFTER my last water change. Is this seriously all the work of ammonia?!

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sdlTBfanUK

I would expect that to happen using soil based substrate, but you say you aren't sing that type? What is the substrate you are using?

Do you have the water parameters of your source water to hand?

Simon

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Crabby

I use an inert sand. Plan to test how 'inert' it actually is when I have some time tomorrow. Or to start the experiment at least. Blazepelt has the same substrate and hasn't had problems as far as I'm aware.  

Tap is 7.2 pH, 4 GH and 1-2 KH I think, but I water change with aged water from my 29 gal. Params in there at last water change were 0 Nitrite, 0 Nitrate, 1.0 Ammonia/ammonium (pretty safe), pH 6.4-6.6, GH 4, KH 2. Straight tap never goes into this tank. I do this because I plan to keep some native shrimp in here that prefer aged water. Figured I'd get used to doing it this way. Will soon add some crushed coral or a pH buffer similar to that. 

I have some cholla wood (driftwood) in the tank too, which is releasing tannins and reducing pH, but it still doesn't all make sense to me. 

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sdlTBfanUK

The source water (29L tank) is close enough to the readings you got except GH 1.5 higher so there may be something in this tank increasing the GH? I don't know what the parameters of your native shrimp are though?

If you haven't got a TDS pen then I would recommend you to get one as they are very cheap and so much quicker/easier to use? Get from somewhere trusted though!

Simon

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