Closed Loop Products

Information in this section will help APTech Group Partners determine and select the most appropriate blended solid concentrate water treatment product for Closed Loop application.

Closed Loop Product Selection Guide

This flow chart provides a selection of blended solid concentrate Closed Loop Products to consider based on specific application needs. To download the chart, please click here.


Closed Loop Product Overview Guide

This guide provides detailed information on blended solid concentrate Closed Loop products. To download the guide, please click here.

*All blended solid concentrate products manufactured by APTech Group are certified Kosher approved. Click Here for a copy of this approval document.*



Code Formulary Notes Test
L1-C Nitrite, Azole Nitrite Test
L2-C Silicate, Phosphonates, Azole Molybdate Test
L3-C Silicate, Phosphonates with Dispersant Phosphonate Test
C-Mo-STX Molybdate, Phosphonate, Azole Molybdate Test


Code Formulary Notes Test
L5-C-STX Chelant, Phosphonate NA
L6-C-STX TSP, Sodium Carbonate, Borax NA