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Old 02-04-2013, 07:29 AM   #1
GAZ_XB9R
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Water Chemistry


Hi,

Had a tank with cherry's for 3 weeks now.

One female has produced about 20 shrimplets and we have a further 7 berried females in the tank.

The tank (50lts) parameters are:
TDS = 188ppm
pH = 6.7
KH = 10 - 20mg/l or 0.5 - 1.1dKH
GH = 40 - 60mg/l or 2.2 - 3.4dGH
NO3 = Less than 5mg/l
PO4 = zero

I totally get the "If it ain't broke don't fix it" state of mind but we did have a male who died during molt.

I'm thinking the KH and GH could do with being a bit higher.

The Nitrate trace will disappear again as the plants I had in there are done and needed replacing so I have 4 Anubia's a Crypt and a Myriophyllum to put in there. I will dose lightly with Easycarbo to encourage the plants and very lightly with TNC Complete (I realise it has Cu in it but only at 0.002%)

I have got an HMA filter (Thanks ADE)and the water parameters I get are:
TDS = 50ppm
pH = 7.0
KH = 10 - 20mg/l or 0.5 - 1.1dKH
GH = 20 - 40mg/l or 1.1 - 2.2dGH
NO3 = Trace
PO4 = zero

I would like some advice on how to go about adjusting my water for water changes and also if and how to adjust my tank parameters for the good of the Cherry's.

I have Seachem Alkaline, Acid and Neutral Regulator.
I have Seachem Equilibrium.
I have coral chips that I can put in a bag in the filter.

My intentions are to get myself another tank for some CRS/CBS or Blue Jelly's but I would like to have this tank fully stable and a better understanding and routine in place for it.

Cheers,
Gaz
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Old 02-04-2013, 07:43 AM   #2
danielt
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Your gH is too low as I noticed with mine, as they slowly died over a period of several months.

I had a bunch of RCS and two Rili and a dozen Amano. One of the Rili shrimps was a berried female which I bought it for that. The shrimplets survived and I have 25-30 juveniles right now.

Both Rili adults unfortunately died and I suspect my gH was too low as I was making water changes often in that period which takes out any other factors except pH/kH/gH.

I'm using RO water and was surprised to see a hardy shrimp like RCS die on me when I have perfect conditions for shrimps. My reasoning is that they're too perfect as I read multiple times on this forum that a gH of 6-7 dgH is a minimum.

I don't use commercial remineralizing products just my own mix of Ca, Mg and trace minerals. Just recently started making my own home made shrimp food based on some ideas discussed in here which contains plants known to have Ca and I also supplement the mix with minerals.

Things are starting to improve, in the remaining 3-4 RCS I have a female which is berried. I'm hoping it will take them to term.
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Old 02-04-2013, 07:44 PM   #3
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Thanks,

Good to know. Because the RCS are looked upon as very hardy there doesn't seem to be much info suggesting where I wanted to aim for with my water parameters.

My berried females are firing out shrimplets so so far so good.

I'm slowly easing the GH up over the next days/weeks.

Just need to nail down the mix I need for my HMA filtered water for water changes now.

Gaz
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Old 02-04-2013, 08:49 PM   #4
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how many drops of liquid did it take to turn colors on both the gh and kh? i dont know the ppm most just go by the number of drops. sorry i cant help more
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Old 02-04-2013, 09:47 PM   #5
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Quote:
Originally Posted by wicca27 View Post
how many drops of liquid did it take to turn colors on both the gh and kh? i dont know the ppm most just go by the number of drops. sorry i cant help more
1 drop = 1 degree German hardness, which is equal to 17.848 ppm.
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Old 02-05-2013, 07:29 AM   #6
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For the GH test.
1 drop = 20mg/l or ppm = 1.12dGH

For the KH test.
1 drop = 10mg/l or ppm = 0.56dKH

Test kit is the Hagen / Nutrafin liquid GH/KH kit.

I think this is right. Correct me if I'm wrong.

Test was
GH = 3 drops
KH = 2 drop

Gaz
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Old 02-05-2013, 08:07 AM   #7
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Everything looks fine to me except for maybe trying to bump your GH to 4 or 5.
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