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May 30, 2026
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Short Description: General Hardness (gH) Test Kit 0.5oz 15ml
Item #: SER462
Manufacturer: Sera
Category: Testing & Controllers*
Subcategory: Test Kits
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Makes it easy to monitor the total hardness. For approx. 420�dGH. In case of too low GH values we recommend sera mineral salt. High total hardness levels can be lowered by mixing in R/O water. For creating soft water we recommend adding sera blackwater aquatan or filtering through sera super peat.
Type Use: Freshwater
 
Sugg Price: $14.99
Our Price: $6.75
   
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