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Description:
Attention:
Note: Fit for warm water aquarium (20°C -30°C) or (65°-85°F)
1.Slowly place the hydrometer into water. When testing, make sure the test water level reaches the wave scale.
2.If there are air bubbles stuck on the pointer during the product test or while put it into water, use a plastic stick to blow the foam to make the bubble dismissing,to ensure accurate readings.
3.Place the product in the pool or on the horizontal line outside the pool to accurately obtain the test results.
4.When any salt is on the pointer, the salinity hydrometer will not read correctly. After use the hydrometer, it should be cleaned with tap water,then Soak in warm water or vinegar for 30 minutes, then air dry in cool place.
Shape and size:
Item Type: Salinity Hydrometer
Material: Plastic
Color: Clear (shown as pictures)
The proportion of range: 1.000-1.030
Salinity range: 0-40
Size:(L*W*H)24*14.5*3mm
Weight :0.11kg
Packing list:
1 x Hydrometer.
1 x Stick.
amberlgay
2025-07-22 15:29:31
Not sure how accurate it is, but it's a good reference point. I have a 2000+ gallon pond and I just put salt in it last month. This device says my pond is about 3ppt, which is ideal for pond fish and plants (3-5ppt is normal). Super easy to use. Just rinse with warm water afterwards.
Liz
2025-07-05 10:18:17
I've been dissolving salt for 24 hours and when I went to read it it said it was 1.014sg so I added more salt. I went back a couple of hours later and when I retested it was still 1.014sg. I knocked the air bubbles out both time and it still doesn't change. IF YOU ARE FIRST STARTING WITH SALTWATER TANK PLEASSSEE BUY A REFRACTORMETER. Save up and spend the extra $10 dollar in order not have to deal with this.
Karen E. Gilbraith
2025-06-28 09:41:43
Works well. Just remember to wash in clean water afterwards
Preshis Avalos
2025-05-17 11:59:55
Mine was not accurate which could be bad if I didn’t notice. I run a reef tank and hydrometer read 1.024. Took my water sample to my local fish store and it read 1.029 with a refractometer. No bubbles where present when I did the test. It is always rinsed with freshwater ro water before and after
Rick & zanna
2025-05-16 15:04:04
It came with a crack and just doesn’t read the salinity accurately
Juanaenae
2025-02-19 15:02:11
Would recommwnd
James K Filbeck
2025-02-14 17:58:09
Great price on this item. Fast shipping. I'm really happy with it
Paige L. Stafford
2025-01-25 17:03:53
I bought this cheap and easy to use gadget for my koi pond. I was wanting to keep it under 6 ppt. I had followed the salt suggested application instructions but decided that, after applying 2 cups to my 2500 gallon pond (so, very little), that I’d like to measure it as I go, to be sure. I didn’t expect it to already be 6 ppt. I freaked! I went to the aquarium store to have them test the salinity with their fancier gadgets. I their test came out to zero. Relieved, but annoyed. This thing is utterly worthless to me.
Dwayne M.
2024-12-12 12:31:32
Every time I use it there are air bubbles all over the inside so you cannot get a good reading.Do not know why this is . But my old one from another manufacturer never had this issue.
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