Octopus and clown fish help needed

hey grins just to let you know i have done a water change so settle the levels back down so no worries there now..still interested in your comments..
 
Here are your photos

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OK the tank is An AquaOne 500, 50ltrs...i had the saltwater process runing for about a month beofrei added the live rock in about 2 wks ago. i have 2 filters, an undergravel filter which came with the tank and which has about a 1/2 cm cover of crushed coral plus a fluval filter to..the tests to date bearing in mind the upset of the tank the last few days with a poss octupus and having to take the rock out are Ph 7.8 which is low..Ammonia 0.50 which is just over... Saltwater nitrate No3 is in between 10 and 20 and the No2 is 1.0 so they are all out today...so far in the tank live rock which was added near 2 weeks ago and then this weekend anemone, a brain and some coral plus 2 black and white clown fish.- (i thought i should wait for the fish but was told it was ok)..who seem to be having a ball since yesterday and are loving the anemone..anyway your input is appreciated the aquriam i deal with have been reguarly helping with advice and checking my water levels to before anything else was added but yes please help, i ahve had tanks before but this is my first SW.. future plans poss another pair of clowns and some bottom dweeling fish.i obviously need a cleaning crew not sure what to get tho...any ideas sorry to sound like a newb hehe

You shouldn't have any ammonia or nitrates at all. Did your tank ever cycle? It sounds as if it didn't. I was afraid you were moving too fast before and after seeing your reply I'd say that is definitely the case. A tank needs a chance to properly cycle before you add livestock. When this is done you're allowed the ecosystem to be able to handle the waste the fish and inverts will produce. On the anemone, it is recommended that someone wait at least 6 months to get one. They are not beginner species and some recommend that a year is a better guideline for when your tank will be stable enough for one and the reefkeeper experienced enough to care for one. From the photo you posted I also want to point out that your anemone is very bleached. Most likely this is due to it being in improper lighting before you had it. In fact, what is your lighting in your tank?

You might want to give the crushed coral post at the top of the Newbie forum a read. Along with the cycling posts there as well. I'd not get another pair of clowns for your tank as they will most likely fight with the ones you have now. I don't see a nudibranch in your 2nd photo either. I see some algae and what looks like possibly hydroids.
 
You shouldn't have any ammonia or nitrates at all. Did your tank ever cycle? It sounds as if it didn't. I was afraid you were moving too fast before and after seeing your reply I'd say that is definitely the case. A tank needs a chance to properly cycle before you add livestock. When this is done you're allowed the ecosystem to be able to handle the waste the fish and inverts will produce. On the anemone, it is recommended that someone wait at least 6 months to get one. They are not beginner species and some recommend that a year is a better guideline for when your tank will be stable enough for one and the reefkeeper experienced enough to care for one. From the photo you posted I also want to point out that your anemone is very bleached. Most likely this is due to it being in improper lighting before you had it. In fact, what is your lighting in your tank?

You might want to give the crushed coral post at the top of the Newbie forum a read. Along with the cycling posts there as well. I'd not get another pair of clowns for your tank as they will most likely fight with the ones you have now. I don't see a nudibranch in your 2nd photo either. I see some algae and what looks like possibly hydroids.


The lighting is two double tubes of flourescent lighting..the tests i did today are fine the ph is a little low but part form that no problems with the rest.. the anemone is actually a white one.. ..the nudibranch is directly in the middle he is a Cyerece, he is see through with some little orange marks on him ..looks like little leaves, maybe what you thought was algae.. he gets around that tank haha..the tank did cycle and i nvr had any issues with he parameters until yesterday..i will have a read throught the stuff you recommended
 
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Flourescent lighting is a bad choice for an anemone.... Metal Halide is the only thing I would ever put one under
 
Flourescent lighting is a bad choice for an anemone.... Metal Halide is the only thing I would ever put one under

I am just a beginner, but I think that flourescent, T-5's in particular, are excellent for marine use, if you have the right colors and wattages.
 
I am just a beginner, but I think that flourescent, T-5's in particular, are excellent for marine use, if you have the right colors and wattages.

for marine use. We're talking specific things. T-5 is fine for some things, but not something I would try for others. Anemones are one of those things.
 
Depending on how the T-5's are setup they can and do kepp high light corals, anemones and clams just fine but it does depend on how deep the tank is.
 
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