Question : What does this refractometer measure?
Answer : It measures the salt water or salinity of water on 2 scales, Specific Gravity (D 20/20) and parts per thousand.
Question : Does it come with a case?
Answer : Yes, it comes with a hard case, dropper, screwdriver, user manual and cleaning cloth.
Question : What is the refractometer made of?
Answer : The main part is made of chromium, making it very durable.
Question : Is this any use for hydroponics?
Answer : It is used for testing the salt water fish tank.
Question : I want to test the brackish canal water to see if i can use it for irrigation. will this tester work? I was told to check the salinity of the canal
Answer : Yes, brackish water ranges between 0. 05 to 30 PPT
Question : What does this come with
Answer : All you get is the refractometer, case and a small screwdriver for adjusting it. Unless they have added something since we bought ours about a year ago. It will not let me post a picture or I would.
Question : Hi, i bought a calibrating fluid and calibrated my refractometer to sg 1.026 but when i test it on distilled water it reads 1.010. why is that?
Answer : According to R Homes Farleys article this is because this refractometer was made to measure pure salt solutions and they don’t have the exact reflective index of sea water that has some additional elements. Therefore calibrating with a solution that matches the reflectivity of seawater at 35ppt is needed and once done it will not measure distilled or Rodi water accurately. But you will have a more accurate measurement for your salt water aquarium.
Question : will this work to test slightly brackish water for a livebearer aquarium?
Answer : Unsure about brackish water. It works fine e in saltwater aquariums with a specific gravity of 1.025. It tests between 1.000 and 1.040
Question : Is this sensitive enough to get the correct salinity for aquarium use?
Answer : Yes, it is specially designed for aquarium use.
Question : Does it come pretty accurate or do I need to buy the fluid to adjust it
Answer : Mine came off by .002, I would buy the test solution. The alternative would be to measure yours against a known refractometer and make the required adjustments.
Question : i got one as a gift, it is broke.it will not go above 1.040. even the calabration screw wont get it above 1.040. Is there any way i can fix this?
Answer : Even though it is a gift you can still contact the company and return it and they would fix it and send it back to you. or they will replace it for a new one. Just let them know exactly what it is doing.
Question : Do i need salt calibration solution for this???
Answer : I don’t think so. It might help, but there is a zero adjustment that you use fresh or distilled water. If you have a 50 gallon or more aquarium, normal water volume loss should be small Andy the salinity variation should be very small for a 1 gallon volume decrease- a 2% decrease of a 2% salt solution would change the salinity by only 0.04%. Detectable but barely. If you have some very exotic and sensitive fish, then salinity standard solutions may well be justified. If you had a 100 gallon tank, 1 gallon of evaporation would increase the salinity by only 0.02%.
Question : Will this work to measure the water content in honey ?
Answer : I’d say no. It’s a salinity meter!