my boss is selling her marine nano for £250.

comes with corals and a few fish and inverts!

looks amazing from pics but i have nver had a marine tank

do i?

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Do it, bargain of the year if you're upto it.

If you have little or no experiance of tropical fish keeping (marine or fresh water) DON'T!!! Marine fish are very suseptable to the slightest change in their environment such tempreture, salt content, acidity, amonia etc. Neglect any of these and you will have a tank full of expecsive dead fish.

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If you don't know what you're talking about, DON'T bother posting. Marine fish are no more susceptible to changes in ammonia or temperature than freshwater fish.

I think the OP has plenty of fishkeeping experience.

sorry have to disagree there if if fish are not worried about water change then why do we do acclimate are new fish drip method and yes the fish are harmed by water change IE nitrate ammonia invert are very delicate You can not tell people that it not because the poor guy will bring every thing home and watch it die.Best thing to do is take all the water with you and do a straight swap at home BUT remember its best to ask or even better read before you decide to do marine and a novice without a lot of know how. you can trough money at the hobby and get no were fast.

Since when do fish 'worry' about water changes?

We acclimatize fish to accustom them to potentially significant differences in physical parameters such as pH, salinity and temperature, not chemical parameters such as ammonia, nitrite and nitrate. Marine fish acclimatize quite well to elevated nutrient levels. A properly established tank should suffer no rises in ammonia or nitrite above 0ppm/0mg/l.

The OP is a woman, not a guy. Also, what ae you dithering on about a 'straight swap' with the water?

Keep it nice boys and girls

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OK so we empty a tank move all live rock stir up the bottom .Then i suppose there will not be any change in the water or even better we should put the fish and inverts into a new set up that has not gone through nitrate cycle .OK so fish do not get affected by ammonia so why do we buy kits to test water .Live rock starts to die off with in a hour of having no oxygen causing nitrate spike yes i agree fish do take time to die if nitrate starts and is left .I think the best way to advise someone on there first thought of getting a complete set up is to ask them what fish corals inverts they have do they know how to feed them what to do NOT yes go for it because its a good deal all pets need us to look after them so I'm sorry if i upset people but i would not go into any sport hobby without doing research first the poor woman has never even had a gold fish come on!!! But at least he asked first

dithering on about??? if the person is going to take full set up its better to take the water from the tank as it would be less stress for the fish

Live rock doesn't start to 'die off' after an hour provided it's kept moist and suitably aerated. How do think it's shipped to the UK? Disturbing the substrate won't cause toxin levels to increase by any number, all that will happen is a temporary discoloration of the water due to suspended substrate particles.

I never said that marine fish aren't affected by ammonia, I quite clearly stated that they're no more affected by ammonia than their freshwater counterparts and that the reason for acclimatization is not related to levels of ammonia, nitrite or nitrate.

Also, how do you manage come to the conclusion that the OP has never even kept a goldfish?

Going by your grammatical and punctuation mistakes it was quite hard to deduce exactly what you were saying...