Mg test kits recommendations

[Gwcreefer]

Been using Red Sea Mg pro. My kit is about year old giving me a reading of almost 2000 with IO reef crystal. Went to a LFS who have a LaMotte water spin test unit ( the type that use the round disks). It gave me a reading of 1250, which made me feel a little better. Bought a new Red Sea kit, tested again and its still reading 1800. Are the Red Sea kits any good?
Thanks

 

[blaxsun]

Are you reading the results correctly? (not reversed) I also have the Red Sea magnesium kit and it's been pretty reliable.

 

[Spare time]

I've heard of others with issues on their red sea magnesium tests but I have never had an issue with them myself (I've been using them for a couple of years).

 

[Gwcreefer]

Are you reading the results correctly? (not reversed) I also have the Red Sea magnesium kit and it's been pretty reliable.

I think I'm reading it right...the old kit I'd used the whole syringe full of the "C", the new kit used used 9 parts of the syringe

 

[Gwcreefer]

Maybe the LaMotte test was wrong and the Red Sea are my real readings, they are both close enough to each other. If thats the case then I have bigger problems then...my tank and my salt barrel both read the same.

 

[blaxsun]

I think I'm reading it right...the old kit I'd used the whole syringe full of the "C", the new kit used used 9 parts of the syringe

Something is off. Either there's something wrong with the Red Sea testing kit or something with the way you're testing. There's no way you'd see a ±550ppm difference.

 

[Sean Clark]

I also use Red Sea Mg test and have not had any issues with them. I would use a third test to see. Something is off.

 

[Duffer]

try salfiert…I use it and have loved it from the beginning

 

[Gwcreefer]

My testi

Something is off. Either there's something wrong with the Red Sea testing kit or something with the way you're testing. There's no way you'd see a ±550ppm difference.

My testing was old kit 2000, new kit 1900...the LaMotte spin test at the fish store was 1250. I'm wondering if it could be my ro/di. I repaced the filters about a month ago and only made about 200 gallons of water on them. TDS into Di is 5, coming out is 0. But my water from the town has high manganese.

 

[Gwcreefer]

try salfiert…I use it and have loved it from the beginning

I going to get one...was hoping the store had one but only had Red Sea

 

[Randy Holmes-Farley Verified Community Expert]

I'd use a kit other than Red Sea. It gives folks problems for reasons I do not understand.

No, it definitely is not from your RO/DI.