Re: which test kits are better!!!!
I've used both the API master kit with the test tubes and the strip kits.
The master kit with the test tubes is highly accurate and very easy to read, but its messy. The chemicals can leak or drip. Some of the chemicals are caustic. Water can get spilled while you're drawing samples.
The strips are fast and easy but some say they are not as accurate as the liquid.
Personally, I think the strips are just fine for my needs. I used the liquid kits for a year and I still have some left, but the strips are just easier and more convenient.
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30 gal. - 1 platy, 1 yoyo, 3 bronze & 3 pepper cories, misc swarm of guppies, 3 neons
10 gallon assort guppies & platy
3 - 3 gallons 1 betta each
1 - 75 gallon - 2 raphael catfish, 1 melanistus cory, 5 trilineatus, 3 kuhlis, 10 diamond tetras, 5 albino danios, 7 panda cory