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choice of live rock


m12345y
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  • SRC Member

for filtration purposes, prob the flores island or the flat type is better.. Bigger surface area and more porous the rock is, the better... but honestly, most will just choose whichever that is best for scaping and sticking corals and look nice :P

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For filtration the more porous the better. Guess in that sense it means lighter in weight when compared to another rock of the same size.

Get something that looks nice to put in display tank la, no point having something that so called serves the filtration purpose but absolutely hideous to look at. Hahaha. groupwavereversed.gif

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Hmmm where u intend to use the rock? in the main tank as rock scape or in the sump for filtration function? If in the main tank then like what ketchup said "choose whichever that is best for scaping and sticking corals and look nice", if in the sump then u no need so big piece of rock, waste space and costly also. Just put a few kg of biohome into the sump for filtration function should be more then enough. :thumbsup:

5x2.5x1.5ft Rimless Dream Tank (06/03/12)
Skimmer - Reefoctupus

Return Pump - 1 x Eheim 1264, 1 x water blaster 7k
Wavemaker - 2 x mp40es
Chiller - Daikin compressor with coil drop in
Lighting - 4 x 80w T5 Pair 1(6hrs23/12/12),Pair 2(16/06/12312hrs 2 x 80w De-lighting Retrofit (1/3/12) -(15/11/12)6hrs and 2 x 80w De-lighting Retrofit (13/10/12) -6hrs)
Reactor - Dosing pump (01/01/11)


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pictures are from web...

I set the criteria as we understand that the main purpose of live rocks/sands in marine tank is to support biological filtration.

I am just trying to understand why some (similar to type3) cost as much as $16/kg while type1 above are commonly found at local LFS at $4-6/kg. And those giant pieces are usually of type2 (typically $4-6/kg as well) and are usually nice and easy to scape.

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It depends on the source, notwithstanding lfs makeup.

Tank : 4 X 2 X 2 with low iron front panel and external overflow

Skimmer : BK SM200 with waste collector

Return Pumps : Red Dragon 6m3 and Ehiem 1262

FR : 2 X Deltec 509 & powered by AB2000

Nitrate Filter : Deltec NF 509 and tee off from AB2000

Calcium R'tor : Deltec PF 501 with RM secondary chamber

Kalkwasser R'tor : Deltec KM500

Chiller : Pansonic 1 HP Compressor with 20m titanium Coil

Wave Makers : 4 X Tunze 6055 with 7096 & Vortec MP40w

Controller : GHL Profilux

Lighting : ATI Powermodule 10 or 8 tubes

Water Top-up : Water Top-Up tank powered by Tunze Osmolator

External Monitor : American Pinpoint pH and Temp. Monitor for main tank and GHL Profilux Controller to measure temp, pH, Redox

Ozonizer : Sander C50

UV : Corallife 6x

Algae Scrubbler

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  • 1 year later...

Coral farm have good live rocks, but be really to pay more too!

I was in Pasir Ris yesterday and one of the shop is selling live rocks which the shop owner claimed is already "cured" and asking for $8 per kg.

My question here is are these rocks fully cured and i can use it as soon as i bring it home.

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Pay for what you can afford for the liverocks. Price differ to how well the farms cured them. Go back you still need to go for cycling process and let the tank matured. Proper cycling and monitoring will give you a stable system and your liverocks will still work fine. There are many out there who has run great tanks without spending so high on liverocks/kg. Do some search on how to remove pest from liverocks before adding them in.

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  • 4 weeks later...
  • SRC Member

For me I choose rocks with nice shape and light.... After that will sun dry the rocks for Weeks and wash throughly before putting to tank to cycle ...

Selling big game fishing equipment. Stella 20k / 17k .. made in Japan jigging blue rose / kabuzu popping rod... pm for prices

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