Rexolin CXK Mixture

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Rexolin CXK Mixture

Postby Irfan » Tue Aug 30, 2016 4:57 am

Hi Friends

I got a packet of Rexolin CXK of 250gms, wanted to know how to create a mixture for it. Do I need to create the mix from all 250 gms at a go or can I keep the powder. For eg; I create the mix with 100 gms of powder and then keep the 150 gm in a air tight packet, will this 150 gm can be reused say after 1 year. I am attaching a pic of the packet, please tell if this is the correct packet.

Kindly share the measurement please.
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Re: Rexolin CXK Mixture

Postby kumar » Tue Aug 30, 2016 9:38 am

Percentage iron=3.4%
Percentage iron=0.5%
1ppm=1mg/l

Aim to dose ~0.5ppm iron per week
Lets say we use 10ml per day from 1l fert solution.
=10ml/1000ml=0.01%


Let's say we dissolve in 1 liter of water nutrients of = 25g
Bottle volume= 1000ml(1liter)
Tank volume v where we ll dose 10ml=100l


With 10ml dose in tank of above solution PPM=>
25 x 0.034 x 0.01mg x 1000/100L=0.085mg/l


Which is very low than our need, lets say we dissolve 50g

50 x 0.034 * 0.01 x 1000 mg/100L=0.17ppm in 100l tank


Dose this thrice a week =~0.51ppm

henceforth, mix 50g of this powder in 1liter of water and dose 10ml every alternate day
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Re: Rexolin CXK Mixture

Postby kumar » Tue Aug 30, 2016 9:55 am

Disclaimer!!



Now say you are dosing this 10ml liquid in your tank three times a week. DO you know what PPM copper will be added to your 100l tank?
50 x 0.005 x 0.01 x 1000mg/100l= 0.025ppm

In three times a week= 0.075ppm!!!


Cu:Fe in CSM+B=0.1/7=0.0143
Cu:Fe in Rexolin CXK= 0.147 (10 times leathal than CSM!!!)
This is the reason people use CSM+B.



Here are some caution Copper levels to be aware of:
Dangerous level of copper for shrimps is 0.03 mg per litre Or 0.03 PPM.
Dangerous level of copper for algae and bacteria is 0.08 mg per litre Or 0.08 PPM.
Dangerous level of copper for some fish, snails and plants is 0.10 mg per litre Or 0.10 PPM.
(aquariumwiki,2014)
http://www.aquarium-medications.com/201 ... d-use.html
http://www.aquaticplantcentral.com/foru ... hrimp.html
i luv fish + u luv fis=we luv wish

rahul wrote:It should not be like today planted ,tomorrow cichlid,day after tomorrow blackwater, next community, then marine ,then business and end up dying useless. Whatever you do do it well
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