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Effect of adding more LR to Cycled Water


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  • SRC Member

hi all,

the ANN cycle of my tank is about to be completed. however, i'm also looking to add more LR. the LR could either be from fellow reefer or from LFS.

will adding more LR at this stage cause any ill effect to my tank? I am pretty sure those LR from fellow reefer would be pretty safe... how about those from LFS?

:thanks::thanks:

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Actually nowadays, not a lot of people buy LRs, thats why most of the LRs from the LFS are already in their shop for quite some time, and most are already cycled rocks. Your answer cannot be answered because we don't know whether the rocks from the LFS are just brought in or they are already in their tank for quite some time. If the LFS owner is honest, then probably by asking him whether the rocks are cured or uncured would be the best choice. If you have completed you cycle, and the addition of rocks is not a lot, maybe one or two pieces, then it should'nt be a problem. But it's definately not suitable for corals yet. Remember when choosing LRs, don't choose those with rotten eggs smell, choose those fresh smell rocks. Better to choose some from direct currents area.

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  • SRC Member
Actually nowadays, not a lot of people buy LRs, thats why most of the LRs from the LFS are already in their shop for quite some time, and most are already cycled rocks. Your answer cannot be answered because we don't know whether the rocks from the LFS are just brought in or they are already in their tank for quite some time. If the LFS owner is honest, then probably by asking him whether the rocks are cured or uncured would be the best choice. If you have completed you cycle, and the addition of rocks is not a lot, maybe one or two pieces, then it should'nt be a problem. But it's definately not suitable for corals yet. Remember when choosing LRs, don't choose those with rotten eggs smell, choose those fresh smell rocks. Better to choose some from direct currents area.

Thanks for all replies!

:thanks::thanks:

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  • SRC Member
from fellow reefer...no hitchhikers though...but plenty of green algae,hair algae,and some cyano...

i add abt 100% more..causing the ANN cycle to starts..killing off some of my precious fishes..sobs...

:cry::cry::cry:

:shock::shock::shock:

fwah from reefer tank also unsafe!!!

then what is safe?

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:shock::shock::shock:

fwah from reefer tank also unsafe!!!

then what is safe?

u can be pretty sure that dead rock is safe haha.

leave all rocks to sun for 7-7 49 days . should be okie =)

2x1.5x1.5 tank

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A righteous man cares for the needs of his animal, but the kindest acts of the wicked are cruel -- Proverbs 12:10

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