Salifert Strontium Test Kit

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Salifert

Salifert Strontium Profi-Test
  • In a marine aquarium strontium plays an important role in accelerating the growth of coral and calcareous algae and natural sea water contains approx. 7 - 9 mg/L strontium.
  • Strontium is very difficult to test for, but if there is found to be a depletion of calcium in the aquarium then strontium levels are likely to be very low as well.
  • It is advisable to maintain a strontium concentration of between 5 and 20 mg/L.
  • Salifert was the first to introduce a strontium test kit and this test measures both ionically free and moderately complex strontium in increments of 5 mg/L.
  • Sufficient for up to 40 tests.
  • For marine use only.
Warning!

Reagent Sr-1 is caustic. In case of contact with eyes rinse immediately with plenty of water and contact a physician immediately. In case of ingestion do not induce vomiting but contact a physician immediately. In case of contact with skin wash with plenty of water. Keep out of reach of children.

Instructions:

1. Fill test vial with 5ml of water (use 5ml syringe).

2. Add 12 drops Sr-1 (caution caustic) and swirl gently for 10 seconds.

3. Add 1 level scoop of Sr-2 and swirl gently for 5 seconds. The color should be red/pink.

4. Fit the 1ml syringe without the yellow label with the small plastic tip. Ensure that the tip is mounted firmly. Fill this syringe with 1ml of Sr-3 (lower end of black rubber ring at 1.00ml mark). Dose this amount in the test vial and swirl gently for 20 seconds. If the color has changed to blue and remains so even after an additional 30 seconds then the calcium concentration is far too low (approx. 300mg/l or less) and should be corrected first before doing strontium testing.

5. Again fill this syringe with 1ml of Sr-3. Add this drop wise to the test vial. Swirl gently for a few seconds after each drop until the color changes to blue. If the color has changed to blue then swirl gently for 15 seconds. It is very likely that the color will revert back and will not be pure blue. In that case add one more drop of Sr-3 and swirl again for 15 seconds. Repeat this until the color remains blue.

6. Hold the syringe with the plastic tip facing upward. Read the value at the upper part of the black rubber ring. Look for this value in the calcium table to get the calcium concentration.

7. Fill the 1ml syringe with the yellow label (no plastic tip needed and is not supplied) with 0.5ml Sr-4 (lower end of black rubber ring at 0.50ml mark). Add this to the test vial and swirl gently for 10 seconds. The color will now be red/pink.

8. Add two levels scoops of Sr-5 and swirl gently until this powder has dissolved. Let it stand for 12-15 minutes (use a clock).

9. Fill the 1ml syringe without the yellow label and fitted with the plastic tip with 1ml of Sr-3 . Add this drop wise to the test vial. Swirl gently for 20 seconds (should definitely not be less that 20 seconds) after each drop until the color changes to blue.

10. Hold the syringe with the syringe with the plastic tip facing upward. Read the value at the upper part of the black rubber ring. Look for this value in the strontium table to obtain the strontium concentration.

Calcium Table
Reading from Step 5 Calcium mg/l
0.96 308
0.92 320
0.88 332
0.84 344
0.80 356
0.76 368
0.72 380
0.68 392
0.64 404
0.60 416
0.56 428
0.52 440
0.48 452
0.44 464
0.40 476
0.36 488
0.32 500
0.28 512
0.24 524
0.20 536
0.16 548
0.12 560
0.08 572
0.04 584
0.00 596

Strontium Table
Reading from Step 10 Strontium mg/l
1.00 40 or higher
0.99 34
0.98 28
0.97 22
0.96 16 good
0.95 10 good
0.94 4
0.93 0-3

Note: Error in strontium measurement is approx. +/- 5mg/l. Error in calcium measurement is approx. 2%.




Manufacturer Info

Salifert
Salifert is a Holland base company that produces top of the line test kits as well as tank additives and foods for marine and reef aquariums.

Accessories for Salifert Strontium Test Kit


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“Salifert Test Kits R Reliable”
4.0

I have been using this test kit for 5yrs and it's very good. Even though is indicates that it tests for Strontium, it also tests for calcium. The calcium testing is not accurate at all. To test calcium I use my calcium monitor, anyway this review is not about the calcium monitor. I also use the mag...Read More

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“Love This Test!!”
5.0

After wondering if the Strontium levels were correct for my 144 coral reef tank, problem solved! This test is easy to use and accurate. I do not have any other results to compare the strontium but I did for the calcium. Be mindful of a couple of typos in the directions; referring to the same syri...Read More

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“Great Test system”
5.0

It checks for both calcium and strontium levels. Very accurate. The only drawback to this test kit is, if your calcium level is to high then you can't get a strontium reading. I'd still recommend it to any aquarist looking for a high quality test kit.

  • 1
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“Salifert strontium test kit”
3.0

This test is not very accurate as it titrates only between 1.00 and 0.90 ml. Maybe it's just tough to get a good commercial strontium test. I used this kit more to determine whether my strontium was about 10 or 0 mg/L?

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“the switch”
5.0

i used instant ocean test kits for about 15 years with my saltwater fish only tanks and they are very good test kits better then any drip drop test tube kits!! that is until i went reef and tried these salifert kits because of all the good things i heard over the years. wow... this is it! the way to...Read More

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“Best Kits Available”
5.0

Even though it's expensive and only gives 25 tests, this is the best Strontium kit out there, by far! This kit also includes the Calcium test, as this is the first portion of the test. Salifert doesn't play this up. I think that's just so they can still sell Calcium kits. To me, the Strontium test p...Read More

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“A bit complicated”
3.0

It seemed a bit difficult to use the first time and there were many steps. I was not confident with the final reading and I may need several more attempts to understand how to use it correctly.

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7 Reviewers (86%) would recommend this

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