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steddecs
12/24/2016, 01:14 AM
Hi all, got a 440litre 4x2x2, removed all corals and inverts so bringing down the salinity as recommended by lfs, at 1.019 at the moment aiming for 17 as per recommendation, any opinions welcome...

Also the only filtration I use now is a 400 micron sock a Reef Skim 1,000 and a V2 400 UV, again any thoughts and opinions welcome as I've only been in the hobby a year.

Thanks


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alprazo
12/24/2016, 06:57 AM
Why are you dropping the salinity?

steddecs
12/24/2016, 08:00 AM
Apparently the fish prefer it at about 1.017 because it's easier on them their bodies don't have to work as hard to process the salt, something like that anyway...


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fijisrfr
12/24/2016, 08:58 AM
They keep it low mostly to retard ich reproduction.


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alprazo
12/24/2016, 09:58 AM
Temporarily this may be true but realize that over millions of years these fish have genetically adapted for life at 35 ppm or around an SG of 1.025. We really don't know the long term effects of hyposalinity for these guys. As for Crypto, you need to drop the salinity much lower. I personally find it best to match the environment that they came from. The best way to deal with itch is to never let it get in. Nothing beats a good, strict, QT and treatment protocol.

steddecs
12/24/2016, 11:32 AM
No white spot issues, just wanted to have the best possible water quality for them and the manager at lfs said to lower it... he said it's easier for them and less stressful..... so I'm guessing raise it again to 1.025??? The lfs has a 1,500 litre tank fish only and they have it at 1.017 got large fish in there. Just researched where my fish are from and they all seem to come from salinity of 1.026-7 what's your thoughts?


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alprazo
12/24/2016, 12:04 PM
For the fish store is lowers their salt costs. They also do not plan on keeping their fish for life. Just my opinion. Sick acutely ill fish I agree your LFS Hopefully others will chime in.

steddecs
12/24/2016, 12:05 PM
The big emperor Angel, big dog face big parrot big French Angel have been in the low salinity tank at the shop for nearly 8 years


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steddecs
12/24/2016, 12:08 PM
They buy and supply natural sea water of which I buy to which comes in at 1.027 and I mix in RO to lower it. The owner of the shop assures me it's better at 1.017...... I think I'm going to go with the rule of NATURE going to slowly rise it up again to 1.025

Thanks for all your advice much appreciated


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steddecs
12/24/2016, 12:26 PM
Oh and merry Xmas all have a good one!


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scooter31707
12/28/2016, 09:10 AM
I would not keep it at 1.017. I have no clue what your LFS is talking about. I recommend the lowest would be 1.023. They come out of .25-.27 from the ocean.