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Sea-Lab Formula 28 is a mixture of naturally occurring buffer compounds that maintain natural ocean concentrations of calcium, strontium, and all 15 essential trace elements. Calcium and strontium are well-recognized nutrients, but trace elements are not as well understood. They are, however, vitally necessary to marine life in the aquarium. Paradoxically, these same elements, so essential to life, are also highly toxic. The trick is to tread the fine line between trace element starvation and trace element toxicity. Formula 28 is the first formula available to hobbyists and professionals that creates and maintains this fine balance. As elements are depleted from the solution, Formula 28 delivers exactly equivalent amounts to replace them.

At AquaCave, we offer some of the best selection & best prices on Sea Lab Additives and supplements for your marine, reef, and freshwater aquarium.

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  • Sea Lab #28 Replenisher 1 kg. Block Sea Lab #28 Replenisher 1 kg. Block

    Sea Lab #28 Replenisher 1 kg. Block

    Sea Lab #28 Replenisher 1 kg. Block Sea-Lab Formula 28 is a mixture of naturally occurring buffer compounds that maintains natural ocean concentrations of calcium, strontium, and all 15 essential trace elements. Calcium and strontium are well recognized...

    $34.99
  • Sea Lab #28 Replenisher 2 lb. Box Sea Lab #28 Replenisher 2 lb. Box

    Sea Lab #28 Replenisher 2 lb. Box

    Sea Lab #28 Replenisher 2 lb. Box Automatically controls concentrations of 28 elements including calcium, strontium and all 15 essential trace elements.Removes heavy metals and limits ammonia and phosphate while helping to buffer aquarium pH. Available...

    $33.99
  • Sea Lab #28 Replenisher 1/2 lb. Jar Sea Lab #28 Replenisher 1/2 lb. Jar

    Sea Lab #28 Replenisher 1/2 lb. Jar

    Sea Lab #28 Replenisher 1/2 lb. Jar Approximately 50 nuggets.   Sea-Lab Formula 28 is a mixture of naturally occurring buffer compounds that maintains natural ocean concentrations of calcium, strontium, and all 15 essential trace elements. Calcium and...

    $17.99
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