Test O2 Jbl

JBL O2 Test   It is an accurate test for aquarium water with which to measure accurately and effectively actual levels of oxygen. Allows measurements of oxygen levels of 1 to 10 mg / liter. It is very important to measure oxygen levels when performing a treatment with algaecides to kill algae aquarium.The preferred content of oxygen in aquariums is 8 mg to 25. It can be used both in freshwater aquariums and marine. It can also be used in fish ponds. Nighttime use is recommended if the aquarium has a lot of natural plants.Once those test reagents, you can be purchased separately a replacement for JBL O2 Test.