Brightwell Aquatics 450-gm Kalk+2 Kalkwasser Supplement

Contains calcium, strontium, and magnesium in the same ionic ratios found in aragonite. This unique feature increases the usefulness of Kalk+2 to reef-building invertebrates such as corals, clams, calcareous algae, etc

Provides temporary alkalinity and helps maintain pH within the desired range when used as directed

Adds no conservative elements, such as chloride, to the aquarium

Improves upon the industry-standard powdered calcium supplement over the past three decades

Formulated by a marine scientist