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JBL sensitive test Phosphates
Maximum recommended level 1.0 mg / l in fresh water.
Highly sensitive laboratory test accurately.
Indicates the phosphate content in water, responsible together with the
nitrate of unwanted algae growth.
The range of measures of an amount as low as 0.05
mg / liter.
To about 50 steps.
It includes specimens, comparative system, syringe and full color graphic.