Reef Lab salt

Have you used this salt what are your thoughts?

we have not yet imported the salt to Australia but do intend to distribute it this is a lab grade salt used in industry.

Graeme
 
The salt was reviewed by Practical Fishkeeping (UK magazine) last year, I don't know the issue number, it did get 2nd place of all salts reviewed.
 
I have been using the Tunze salt for quite a while and I am extremely happy with it.
For me it has the right mixture of everything. Nothing is to low or to high.
My corals do very well. I have been using another salt before in the same tank with the same equipment etc. and after switching to the Tunze salt I noticed a great improvement.
Also it dissolves very fast and doesn't leave any residue in the mixing container as so many others do.
 
Max, you may have unsubscribed from the thread but ill ask anyway.. What were your parameters of newly mixed salt? I bought a 15g bag and mixed it up, i ended up with calc alk and mag at 330,6,1000. salinity at 1.025. I mixed half of the bag in one day, and the other half 2 days later having the exact same numbers come up. Water ends up being clear in ~30 minutes.

Am i mixing this stuff wrong? Someone should make a vid on how to mix salt correctly :)
 
Ideally it is all mixed at once, it can settle so a portion of the bag gets one reading and another portion has essentially the opposite. You mention both halves mixed the same, this would leave only a few possibilities.

The test kits are wrong.

The salt clumped and reacted with moisture in the package and precipitated the Ca/Mg and Alk. There would be definite lumps and wetness to the salt in this case.

The salt was mixed into a very small amount of water and more water added later, the same precipitation could then occur. For example you pour half the bag into roughly a gallon of water and then slowly add more water from say an RO unit, or you added the bag of salt to a bin and slowly let RO water fill it from the RO Unit.

The salt should mix to about 410ppm Ca, 7.5 KH Alk and 1350 Mg.
 
Recalibrated refractometer, got a reading of 1.020. Ahh, i guess I wasn't mixing the salt to 1.025 this whole time zzz :(

If the concept is right:
calc : 330(25)/20 = 412.5
alk : 6(25)/20= 7.5
mag : 1000(25)/20 = 1250

good numbers for next time. Will probably buy again :)
 
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