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Reviewed in the United States on February 4, 2026
Seachem MultiTest Marine pH & Alkalinity
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Seachem MultiTest Marine pH & AlkalinityMarine pH should be 8. 28. 4. Tanks dosed with limewater may go as high as 8. 6. Natural sea water has a total alkalinity of 23 meq L, but aquarium water should have a total alkalinity of 46 meq L. This test kit features a unique dye that has a pronounced color change between 8. 0 and 8. 3, making it the easiest kit on the market to read in that critical range. It is suitable for marine or brackish water only. Alkalinity may be read from the same
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Your Seachem MultiTest Marine pH & Alkalinity orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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