GLA

4 dKH Lab Certified Analytical Standard - 118ml

$8.99

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4° KH or 4 dKH LAB CERTIFIED ANALYTICAL STANDARD - 118ml (4 oz) bottle

CO2 Level Indicator Fluid: 71.44ppm Alkalinity as CaCO3

* ships with / includes pipette for ease of filling drop checker with indicator fluid

4 dKH fluid is used in a CO2 drop checker as a CO2 level indicator. When combined with pH reagent, the solution color will change from blue to green when optimal CO2 of 30ppm is achieved.KH Standard / 4 dKH (lab certified analytical standard 4 dKH) is used in the drop checker to accurately measure CO2 levels in the aquarium. The KH standard / 4 dKH needs to be combined with approximately 2 - 4 drops of pH indicator in your drop checker until a strong transparent blue color is achieved.

Instructions for Use of 4 dKH in CO2 Drop Checker

Combine bromothymol blue/pH indicator reagent into 4 dKH fluid in your CO2 checker until a strong blue color is reached. Install checker on tank and wait 2 hours to observe color change/CO2 reading.

Drop Checker Color Chart of Aquarium CO2 Level

BLUE ... low level of CO2 <30ppm ... increase rate of CO2

GREEN ... proper CO2 level of 30ppm ... no action required

YELLOW ... high level of CO2 >30ppm ... decrease rate of CO2

*all color observations & CO2 adjustments require 2 hours wait period for accurate color readings.

*use 4dKH with drops of bromothymol blue/pH reagent to create DIY Indicator Fluid for CaL Aqua Labs CO2 checker glassware

SKU:
373723

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