This test allows you to measure kH in steps of 0.3 dKh (NSW 7-8) or alkalinity in steps of 0.1 meq/L (NSW 2.5-2.9). The color change is very clear despite the very small steps. This titration test is good for 40 tests.
Our Price: $19.50
Oxygen is highly important and concentrations below approximately 6 ppm have a strong and negative impact on bacteria productivity. Measures in the 2 - 14ppm oxygen range. Colorimetric test good for 50 tests.
Our Price: $20.20
Detects iodide as well as a separate test for iodate and molecular iodine. Scale 0.01 - 0.1 ppm (NSW 0.06 ppm). Test is free of interference and independent of redox value. Color remains stable for days. Contains, unlike some other iodine tests, no carcinogenic substances. In fact, none of these...
Our Price: $39.00
The pH value can have a major impact on the growth of corals and calcareous algae and on many biological processes. The pH should not be allowed to fluctuate more than approx. 0.3 units during 24 hours and should preferably be kept between 8.0 and 8.2. Colorimetrci test good fo 50 tests. Meas...
Our Price: $16.00