Tropical Fish Keeping - Aquarium fish care and resources

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angfish 11-08-2008 12:00 AM

Quick but critical question
Hi everyone...have been a member of many forums and found this one also...I love these places...people with similar interests. Still rather new to the hobby, so I'm still finding questions now and then.

I have 3 tanks, 12g, 14g & 75g. I test all water twice a week and today found that I'm having an issue with the 14g. Nitrates, nitrites and ammonia were all zero, PH was 8.2...but salinity is showing 1.030. Two questions....

It needs to be I just displace some water with conditioned tap water or do I make some low level salinity water and do a parital change? Also...being only a 14g, I'm not sure how many gallons to take out....

Also, what are the repercussions of high salinity? I know it's not optimal but was curious what happens.


onefish2fish 11-08-2008 12:23 AM

hello and welcome to the forum.

your going to want to remove a small amount of water and replace with fresh. i would do it alittle at a time, then test, wait alittle bit, do alittle more.
youve mentioned using "conditioned tap water" i highly recommend NOT using tap water as it tends to be high in phosphates and other un-wanted minerals and nasties. RO/DI (reverse osmosis) water will be your best bet.

1.030 isnt super high, atleast if you do not have corals, but i would still get it down to 1.023-1.025 the results of high salinity are ultimatly the crash of a tank, think about it... nothing lives in the dead sea.

i have also noticed that your 14 gallon houses a tomato clown. i personally have not experienced one but ive heard as they mature they will kill/attack everything in the tank esp. a smaller one.

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