Normal smell for aquarium ?

[candymancan]

New to reefs.salt but nit to fishkeeping.. I know the smells of freshwater from bad to good. and Good for fresh is an earthy smell.

For salt im unsure. My tank has been running for s little over 2 months. All water perams are fine. Ph 8.2. Ammonia 0. nitrite 0. nitrates 5ppm. Phosphates are 0 to .25 (api kit doesnt measurs under .25 so take that reading with a grain of salt. Calcium is 520. Alk is 11.. Magnesium last i checked was 1300.

I noticed after 2 weeks or so the tank has this particular oder that i cant describe. It isnt a rotten stench.. or any odd smells from my denitrate reactor.. Its just a nasty smell.. When i change 30% of the water thr smell goes away but then comes back a few weeks later. Yet all my fish and corals are doing great.. I havent had a single fish or coral die on me so i dunno.

In petco their coral tank smells the same.. And i havent really smelled the tanks at local reef stores.. Maybe i should if i have time after work today.

I use carbon ina filter sock and alot of it bout 2-3 handfulls and i just replaced it too.

Sorry i wish the internet had smell lol but this is all i have. All i know is its gone after s water change but comes back a few weeks later.. yet params fish and coral are all fine.

Oh and maybe its this.. but my rocks have a little algae on them.. Some hair but not alot mainly just regular algae.. I do have a little cyano.. I pulled a rock out and smelled it snd it seems the smell is coming from the rock .

 

[ryeguyy84]

I wouldn't say my tank has a smell but if I really smell it there's a beachy smell to it.

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[humphreyhh]

It is hard to smell anything from mine unless you get really close to the water level. It's a seaweed-ish water smell. Very very subtle tho.


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[Bpb]

Yeah my tank is 5 years old and if just smells like the beach smells. Normal odor from various marine bacteria and algae. If it's a nasty, foul, smell like rotten meat or sulfur, that is a product of unstable and a not-yet-mature biofilter and/or anaerobic material. If I even spill a drop of skimmate the entire house smells like sulfur for the rest of the day. Highly anaerobic fluid


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[Fourstars]

Is it the 27 gallon hex that people said couldn't be done?

 

[saveafish]

Should have a sweet bleach to seaweed smell. Fresh salt mix should be bleachish smell

 

[candymancan]

Yea it smells like vegitation.. Maybe seaweed like smell. My friend smelled it and said it smells like sushie seaweed lol. When i do a water chsnge it smells beachy but then changes to this seaweed sushie paper smell a few weeks later

Im just not familier with the smells of a marine tank.


I pulled a rock out and smelled the rock and the rock deff has that same odor i think its from the algae on it. Doesnt smell like sulfur ive smelled that before and thats not it. Could the smell be coming from the algae ? I just have some coraline. and mostly this green algae that looks like coraline. A little cyano in some spots but nothing too major

 

[ryeguyy84]

Should have a sweet bleach to seaweed smell. Fresh salt mix should be bleachish smell

Sweet bleach that's a new one but I can see that now that you mention it

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