During testing of NITRITE level ::: Add RXSOL TK6 drop by drop , mixing with the stirring rod until For endpoint ORANGE to BLUE / GREENISH colour just appears / develop.
This reagent is part of RXSOL-62-5507-001 ( Complete Set ) ::: www.rxmarine.com/nitrite-test-kit
Product Technical bulletinProduct label RXSOL TK6 gives endpoint ORANGE to BLUE / GREENISH colour just appears / develop. CALCULATION : 50 X Number of DROPS of TK6 Test Kit For Water