Terminology

kjr928 said:
Do you guys find overall that marine tanks are really difficult to learn about and care for properly? They are so beautiful but I'm scared of screwing it up. (That's why I need to learn this stuff before I take the plunge).

Thanks again!
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i thought this when i decided i wanted to start a marine tank 3 months ago (well longer but only got round to starting off 3 months back), i didnt have a clue but with a little research and a bit of patience (well maybe a lot of patience lol) anything is possible, i still have lots to learn about the hobby but in the 3 months ive been planning, building, acquiring my set up ive learnt a hell of a lot. if you find it fascinating then you shouldnt have any worries.
 
kjr928 said:
Ok, here is another question that might seem dumb.

I've only had relatively small, freshwater tanks with gravel bottoms. So I use a gravel vac and it sucks up the gravel pieces and pulls the junk out of it and drops the gravel pieces back down.

How do you siphon a SW tank that has sand on the bottom without losing all the sand?
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you dont. some sand sifting creatures such as stars or tiger tail cucumbers are an option, but starve to death most of the time in small systems, even those much larger than the one you are looking into. some gobies will do a fine job at sifting the sand. but in reality, it isnt too necessary....
a few nassarian snails will do the trick
 
for a tank ur size once it becomes established a 10-15% water change every week or two should be fine. and to give an alternate view u can still use the siphon u just have to make sure that u dont suck all ur sand out. i siphon every so often but my clean up crew takes care of it mostly.
 
water changes are done by syphoning out water into a bucket with a wide bored pipe, or like me, attach a powerhead onto a pipe and pump it straight out of the tank and down the drain..New water goes in the same way...from the mixing container in the kitchen, via a long pipe and into the tank...

Niko
 
A sump is a separate vessel that's usually underneath the display tank with the general purpose of added water volume. It just happens to be an excellent place to hide equipment from view of the display tank (skimmer, heater, etc.). A refugium can be another separate vessel or just a chamber within a sump.
 
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