As a teenager I worked at three pet stores and later managed the soil water department at a very large pet store in Philadelphia. I've been keeping fish since I was five years old, but I've been on hiatus for 20 years and no longer have aquariums. These kits have been around for many years and are very accurate if you use them for their intended purpose. public fresh water tanks or similar. Do not attempt to use these nitrites or ammonia in seawater tanks. Don't use a pH test kit in aquariums that need accurate pH readings for high pH animals like cichlids (although that's not a problem if you read below). These tests are extremely economical and offer far more tests per dollar than any other kit available. My son is six years old and my daughter is four. This year we decided to raise the tadpoles twice and we had to check the ammonia, nitrite and pH levels. The 40 year old design of these kits still fitted perfectly and was exactly what we needed. I would like the scale on the pH dial to be higher, but it's high enough for community fish. Tadpoles tend to like higher pH values of 8.2 here and the pH set is not suitable for such high values. However, I did get a pretty rough estimate when the pH test showed the pH was off the chart since water doesn't go much higher than 8.2 unless you use chemicals inappropriately. The ammonia and nitrite test kits worked great as in the past, preventing many potential disasters from tadpoles and crying babies. While the tadpoles were developing we kept snails, mussels, some minnows and lots of plants in the tank so the biological load was constantly changing. Even after 40 years, still great sets at a very reasonable price. Highly recommended for intended use. Scenario.
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