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Natural seawater (NSW) concentration of iodide is 0
set up a continuous drip system
Use caution
it should not be seen as an alternative to proper and sensible aquarium husbandry
Seachem Flourite Dark 7.7 lbs Seachem MultiTest Ammonia Natural seawater (NSW) concentration ofPremium natural gravel for the planted aquarium. Good for the life of the aquarium. Overview: Flourite Dark is a specially fracted stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any freshwater aquarium environment. Flourite Dark is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. Gravel modifiers such as laterite are