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Thin Bio-Film Technology helps bacteria access nutrients efficiently
Brightwell Reef Code B Alkalinity Component for Two-Part Reef Dosing
The 500 ml size is a practical option for regular dosing in established SPS and mixed reef aquariums
Recommended use: most freshwater and marine fish including cichlids
A return pump may be running
ESV B-Ionic Magnesium - 1 Gallon Freshwater Plants Thin Bio-Film Technology helps bacteriaESV B Ionic Magnesium 1 Gallon ESV B Ionic Magnesium 1 Gallon is a larger ready to use liquid magnesium supplement for reef aquariums with regular magnesium maintenance needs. It helps support stable calcium carbonate chemistry in marine systems where corals, clams, coralline algae, and water changes affect magnesium levels over time. Larger ESV B Ionic Magnesium Supply for Ongoing Reef Dosing The 1 Gallon size is a practical choice for aquarists who
