not sure as to others, but i went with seachem due to "reviews" and price.
i like the way the nitirite and nitrate can be done in combination. ie, nitrite can be done first, and if wanted/needed, another solution is added to check for the nitrate.
i dont have anything for reference, so as to accuracy i cant say. but for the price and simplicity, im content.
i got lucky, drs foster and smith have all the test kits on sale for $7.99. the marine basic kit is $25. not too shabby for my first test kits.
in the future, or if someone gives me some, ill get some salifert just to see how the measurements "measure up" against each other.
problem is, if they are off, which is the accurate one?
guess id need to find a lab to do my testing
