Seachem Multitest Ammonia Test Kit
|Price:||1,700.00 FREE Delivery.|
|Inclusive of all taxes|
- This Product Is Easy To Use
- Ammonia Alert For Freshwater And Marine
- Scientifically Accurate For Professional Results
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My tank is cycling & I've used up my Hach ammonia kit, so decided to try this one.
Briefly--the discs float on top of the sample surface and the color change is inconsistent across the disc.
Got the package and read the instructions; the procedure as described is very simple:
You put a sample in the little well (they hold about 1ml), pick up a disc with the forceps, rinse it with clean water, and put it in the well.
After 15 minutes you read disc color against scale (marked 0-6ppm) or after 30 minutes (same scale marked 0-3ppm).
So...open the jar of discs & notice there are some crystals on top of them. Maybe the storage solution has dried out? Pushed down on the sponge at the bottom of the storage jar--seems to be saturated; maybe this is how it's supposed to be.
I made 2 samples, one full strength and one diluted 50/50 with RO water and put the discs in according to the instructions.
After 15 minutes the color across both discs was very patchy; difficult to read.
Waited 30 minutes for the full change; hoping the color will be consistent.
Guessing that the top side didn't get enough exposure to the sample, I looked at both sides--nope both are patchy; can't really tell what the color is.
Next I tried to hold the discs down with a piece of plastic cut from a vinyl hose--maybe if I leave it in an hour it will give a readable result?
Guessing the color will eventually equilibrate? After another 30 minutes there is no improvement.
Maybe take a photo each time & calculate the mean color with the GIMP?
Or mentally ignore the still-yellow parts of the disc & try to imagine what the rest of the color is?
Sorry--I can't use this; wasted my fifteen bucks. Going back to the Hach test. It costs a little more for the refills, but at least it's readable.