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Dari awal gue cari petunjuk untuk rockscaping, tapi belum nemuin. Ini gue kutip dari ebook The New Marine Aquarium hal. 68-69
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Rockwork
Either during the curing process or right after, live rock sould be placed close to its final position in the tank. The positioning of the rock is crucial for several reasons. The animals present on the rock should be placed in a position close to the way they were situated in the wild. That is, if corals and other invertebrates as well as coralline algae were facing upward or sideways to capture strong light or strong water mobement, that is how they should be oriented when placed in the tank. It does not make sense to position light-loving organisms upside down---this will only result in further die-offs.
The live rock structure must be stable so that there is no danger it will ever topple over and crack the tank or injure any inhabitants. (Eels are sometimes victims of live rock slides.) The structure also needs to be as open as possible to provide hiding places for the tank;s residents. More importantly, however, this open structure must allow water to move readily around and thriugh it so that detritus does not tend to settle in any one spot. Resist any tendency you may have to fit the pieces of rock tightly together as if you were trying to build a brick or stone wall.
The final consideration should be to arrange the live rock so that it is aesthetically pleasing and mimics, at least in part, the look of an actial reef. Rather than building a uniform wall or pile, construct one or more peaks and various grooves channels or islands (see diagrams below).
It is not necessary to pile the rock all the way to the surface. The usual rule of thumb recommends 2 punds of dense (Atlantic-type) rock per gallon or 1 pound of lighter (Pacific-type) rock per gallon. Given the greater variability of live rock available today, these guidelines simply don't work in all cases. Rahter than choosing a set number of pounds per gallon, it is much more practical to add rock untill roughly one-third to one-half of the tank volume is loosely occupied. This quantity of rock will be more than adequate as a biological filter.
If you like massive rockwork displays more can be addedm but not so much that active fishes are left without enuogh swimming space. (Many conventional reef tanks have up to two-thirds of their volumr stacked with live rock, more to serve as perches for colonies of coral than out of biological necessity.)
Ideally you may be able to hand-pick cured live rock from your dealers's tanks and thereby take just enough to fill the space you desire. When buying from local stock, you can easily return to buy additional pieces, if needed. Ordering uncured live rock presents more of a challenge in determining correct quantities; a dealer or seasoned aquarist can often supply needed advice.
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