$D-D Seawater Refractometer$

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Description

D-D Seawater RefractometerD D True Seawater Refractometer Hand held instrument for the measurement of the TRUE Salinity and Specific Gravity (S. G.) of sea water by refractive index. What is different about the D D Seawater Refractometer? Almost all hand held salt water refractometers available to the hobby are designed and calibrated for the testing of brine solutions, i. e. sodium chloride, and are not calibrated for the refractive index of natural sea water. Even though the

In our lakes

We cannot mark it as "gift"

Moisture: 14

This product was developed as a result of our new approach to aquarium additive formulation

at three times the label dosage rate

Side handles

SRO-2000INT

7 1/2 x 9 x 1/4 in (6 pack)

The Comline Reefpack 250 features an optimum combination of technical filter components for seawater biotopes

Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas

The special developed foam materials supposets the colonization of bacteria

The DOC Skimmer 9012 for mixed seawater aquaria resp