Salt content reading.....

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Anyone?! My tanks are varying in salt content due to adding as I do partials over a long period of time. What level of salt is considered hazardous and what range is safe for freshwater fish? Also, palembangensis puffer-what salt content is best for him?
 
1.025 is straight saltwater - though many (myself included) run lower than that. I've run my marine tanks as low as 1.021 for years on end with no issues.

Salt content for freshwater depends highly on what types of fish you are keeping and for what amount of time. Some do far better than others with this additive.

If the puffer you have is the Asian Tetraodon palembangensis it's considered a freshwater puffer or brackish at best. I would run at 1.015 or so with it long term at the most.

Hope that helps.
 
Thanks. Any idea what salt content is considered too high for freshwater fish? Would the puffer prefer a closer to brackish tank than freshwater?
 
Depending on the puffer, it could go either way.

For this guy, I'd say start slow and work your way up. I'd start at 1.010 stop around 1.015 and see how he does.

Refresh my memory as to what other fish you have.
 
Zoodiver said:
Depending on the puffer, it could go either way.

For this guy, I'd say start slow and work your way up. I'd start at 1.010 stop around 1.015 and see how he does.

Refresh my memory as to what other fish you have.
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My puffer tank is reading 1.004...... That is definitely too low, correct?! I also have Severums (tank by themselves), Jack Dempsey (tank by self), Oscars with Blood Parrot and the Palembangensis Puffer (also seen as humpback or dragon puffer).
 
Yes, regular aquarium salt will work for this. To increase the level, mix up a small batch of higher content salt water. Poor it in slowly over time. Check the reading a few hours later, but keep an eye on the tank while it mixes. Once you have the reading with the salt added, you can gauge how much more to add.

The Oscar will tolerate up to about 1.010, but I'll have to look on the blood parrot. I'm not too familiar with hybrids. One of them will be a limiting factor in taking it full brackish for the puffer. However, the puffer will do fine.
 
Zoodiver said:
Yes, regular aquarium salt will work for this. To increase the level, mix up a small batch of higher content salt water. Poor it in slowly over time. Check the reading a few hours later, but keep an eye on the tank while it mixes. Once you have the reading with the salt added, you can gauge how much more to add.

The Oscar will tolerate up to about 1.010, but I'll have to look on the blood parrot. I'm not too familiar with hybrids. One of them will be a limiting factor in taking it full brackish for the puffer. However, the puffer will do fine.
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Thanks. You just told me everything I needed to know. Really appreciate it! All of my tanks varied but from what you said I don't believe that they are high enough to cause any concern. I am going to gradually raise the salt in the puffer tank though. If any more advice it would be appreciated. Thanks a lot!!!!!
 
seems all to complicated for me. I hope my puffers are strictly freshwater
 
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