How to water change?

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Adenium Phil

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Reply #30

Looking back at my water change and what I did wrong I guess next time round I need to make sure the temp of water going in is same as the tank water and test salinity of tank water and new saltwater before carrying out the change?

Stick to that mate and you won't go far wrong. Where abouts are you? maybe some one could give you a hand.

Halifax pal :-)

Gilly

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Reply #31

A little too far for me. if you find yourself really struggling I could get there at a push to give you hand. I'm also restricted to school hours.

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Adenium Phil

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Reply #32

A little too far for me. if you find yourself really struggling I could get there at a push to give you hand. I'm also restricted to school hours.

It's cool pal I'll sort it. Will mix some salt water a bit stronger than normal and add to the tank to slowly raise the salinity back up tomorrow when I get in from work.

Marty

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Reply #33

Just ordered red sea coral pro which included free Nitrate and phosphate remover,  a small heater and a circ pump which arrives tomorrow so I can mix my own
With red sea coral pro 1910g per 50L of RO will give you 1.026 or 38.2g per litre of RO that's what I always mixed it at for months and had no issues.

 You are far better of weighing that way you have consistency instead of just adding cups


Must be coming with Nopox make sure you skim wet !!

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Adenium Phil

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Reply #34

With red sea coral pro 1910g per 50L of RO will give you 1.026 or 38.2g per litre of RO that's what I always mixed it at for months and had no issues.

 You are far better of weighing that way you have consistency instead of just adding cups


Must be coming with Nopox make sure you skim wet !!

Thanks Marty will get my scales ready :-)

I don't have a skimmer the freebie (Nopox) I guess is a bonus if I need it,  saves me buying some

Mol_PMB

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Reply #35

Agreed. I do my tests weekly and recalibrate my refractometer with FM 1.025 buffer solution every time. Ambient temperature can influence the result and I often have to tweak it.


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Adenium Phil

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Reply #36

have you checked your refractometer, very quickly and easily go out of calibration

Yeah calibrated it with ro water with 0 tds

Mol_PMB

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Reply #37

Yes, but...
The calibration gradient can be out. It could be perfect at 0tds and miles out at 35,000. It's much better to calibrate with a reference solution at close to the desired value. FM make one.


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Adenium Phil

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Reply #38

The instructions even say to calibrate with ro lol
Where can I buy the calibration fluid from please and I'll order some  *D

Mol_PMB

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Reply #39

This stuff can be used to calibrate all your tests :)
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Adenium Phil

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Reply #40

This stuff can be used to calibrate all your tests :)

Think I found some at h2o aquatics, think its the same stuff?

Mol_PMB

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Reply #41

I think I got mine from there.


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Marty

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Reply #42

I use RO always have done and been fine :)

Mol_PMB

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Reply #43

Maybe you have a lucky refractometer?


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Reply #44

Maybe you have a lucky refractometer?


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I do have to tweek it with RO. I have the Red Sea one and I can look at my corals and see it's fine and my LFS has also checked my water with there refractometer and reads 1.026 I do however only use the water as it comes strait out of the RO unit and 0 TDS

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