Day 2 first test results - everything ok?
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Old 04-05-2013, 09:22 PM   #1
paul195
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Day 2 first test results - everything ok?


Hi

I preiously got a local water quality report from my water board that told me:


pH 7.50
Alkalinity 171 mg/l CaCO3
Total Hardness 215 mg/l CaCO3
German° 12

On day 2 my results look like this:

pH 7.8
Ammonia 0.25ppm
Nitrite 1.0ppm
Nitrate 40ppm
KH 214.8ppm / 12dKH (12 drops)
GH more than 214.8ppm / 12dKH (15 drops - chart only goes up to 12)


I would appreciate if someone could re-assure me that these results are ok?

Thanks.
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Old 04-05-2013, 11:36 PM   #2
steven p
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You have hard water and are starting to cycle, everything looks fine.
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Old 04-05-2013, 11:51 PM   #3
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Quote:
Originally Posted by steven p View Post
You have hard water and are starting to cycle, everything looks fine.
+1

2 days is pretty quick for nitrites. Looking good
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Old 04-05-2013, 11:52 PM   #4
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Thats good news, thanks.

Also, should I be testing for anything else such as phosphates and dissolved oxygen?

Paul
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Old 04-06-2013, 12:38 AM   #5
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Quote:
Originally Posted by paul195 View Post
Thats good news, thanks.

Also, should I be testing for anything else such as phosphates and dissolved oxygen?

Paul
No, there is no need to test for either of these (though you can use the phosphate test kit if you suspect a phosphorus deficiency in your plants).
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Old 04-06-2013, 03:43 AM   #6
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Why did the KH go up so much?

Water company: 171 mg/l (same as ppm)

Tap: (did you test right out of the tap? Water company report may not be accurate)

Tank: 215 ppm.

a) The water from the water company varies, and their test just happened to be on a day when the KH was lower than average, or you filled your tank on a day when the KH just happened to be higher than average.

b) There is something in the tank, or being added to the water that is altering the KH.
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Old 04-06-2013, 11:17 AM   #7
paul195
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I have now tested the water from the tap :

pH 7.8
Ammonia 0ppm
Nitrite 0ppm
Nitrate 10ppm
KH 196.9 ppm / 11dKH (11 drops)
GH >214.8 ppm / 15dKH (15 drops)

Tank details:

Filter__ 6x turnover external (not yet set up - waiting for part)
Heating__ 300W Fluval internal
Lighting__ 1x 58W T8 6500 with reflector (1.35WPG)
Substrate__ John Innes 3 Soil capped with 2-5mm moler clay
No C02 addition
high planting density
Some eleocharis with some brown fluffy algae on the tips
No fish yet

I boiled about 2/5ths of the water to get the temp right and the rest from the cold tap. The water was dechlorinated using tetra dechlorinator in a seperate bucket before adding to the tank.

I have read on many forums that people don't think that these tests are very accurate, and some even saying to 'throw away' the test kit an rely on observation. Is this a good idea for a beginner like me? Can you tell me what things I should be looking for to understand how my water quality is, and whether there are any problems? I wan't to be prepared to react in case any problems arise.

And lastly can I keep a tropical community tank -barbs,tetra's,rainbows etc etc with these parameters? I was told that 7.0 is ideal, I believe 7.8 is verging towards cichlids etc?

Thanks for your help

Paul
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Old 04-06-2013, 11:43 AM   #8
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With the posted tap parameters you are wanting to keep the wrong fish in my opinion.

When 'ideal' parameters are listed for fish with a neutral 7.0pH that is a very misleading and incomplete way of saying soft water.

Never test a test kit on your tank water (don't trust them) but I don't throw them out either.
Great thread to help with that.
http://www.plantedtank.net/forums/sh...ad.php?t=83545
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Old 04-07-2013, 04:07 PM   #9
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I have heard that the John Innes products add minerals to the water. This may be where the additional KH is coming from.

Fish are not looking for the right pH. They are looking for the right mineral levels.
Select your fish based on the GH of your water, and the fishes' water hardness requirements.
With a GH as high as yours, and substrate that keeps adding carbonates (thus raising the pH) I would be looking into most Live Bearers, certain Rainbow Fish, Rift Lake Cichlids, but very few Barbs or Tetras.
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Old 04-07-2013, 05:13 PM   #10
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Hi

Thanks for your reply's. I went to the local (reputable) fish store today to ask what pH they were keeping their tropical fish in (tetra's,barbs,rainbows,neon's etc), and they said their water was at pH 7.8. As this matches my pH does this mean that these fishes are used to these parameters and therefore would be fine in my tank?

These are the types of fish that we really wanted to keep, but do appreciate that we must put the requirements of the fish first.

Thanks

Paul
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