Hanna Instruments Glass Cuvettes and Caps for Checker HC Colorimeters (set of 2) itemID-7151 All Twisted Skimmers have 1"

All Twisted Skimmers have 1" inputs/1

The results of these experiments show that under reef conditions (pH near 8) there is no detectable soluble aluminum released from alumina

using 100% American Made Acrylic Construction

Composed of purified water and ultra-high purity ingredients

5 inches of dry Miracle Mud)

Hanna Instruments Glass Cuvettes and Caps for Checker HC Colorimeters (set of 2) itemID-7151 All Twisted Skimmers have 1"The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps. 10 ml level mark for adding correct volume. With extra cuvettes you can test more samples and average your results for the best accuracy. Replace scratched or discolored cuvettes. When using a colorimeter or photometer it is important to