Marine Buffer from Seachem , raises and maintains pH at 8.3 in all saltwater aquariums . Can be used safely in reef aquariums . Contains borate for added stability Contains magnesium to lessen the effects of precipitation.

Optimized non-alkaline (pH 8.3 - 8.6) blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater.

Reef Advantage Calcium 250gr is an optimized non-alkaline (pH 8.3 - 8.6) blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater.

Optimized non-alkaline (pH 8.3 - 8.6) blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater.

Optimized and concentrated blend of magnesium chloride and sulfate salts designed to restore insufficient magnesium levels by causing minimal impact to the ionic balance existing in natural seawater.

Optimized and concentrated blend of magnesium chloride and sulfate salts designed to restore insufficient magnesium levels by causing minimal impact to the ionic balance existing in natural seawater.

Restores and maintains the level of strontium to the existing value in natural sea water. Unlike other strontium chloride products, Reef Advantage™ Strontium is formulated so it can be added directly to the aquarium.

Restores and maintains the level of strontium to the existing value in natural sea water. Unlike other strontium chloride products, Reef Advantage™ Strontium is formulated so it can be added directly to the aquarium.

Intended entirely for the reef aquarium where maintaining a pH of 8.3 is often difficult. Used as prescribed, Reef Buffer will raise the pH of the system to 8.3 without the risk of accidentally raising the pH to an unsafe level.

Intended entirely for the reef aquarium where maintaining a pH of 8.3 is often difficult. Used as prescribed, Reef Buffer will raise the pH of the system to 8.3 without the risk of accidentally raising the pH to an unsafe level.

Reef Iodide™ is a stabilized source of concentrated potassium iodide (8,000 mg/L) for reef aquariums that will restore and maintain iodide levels to those present in natural seawater . It is formulated to provide a safe source of iodide that will not be converted to toxic free iodine.

Seachem 's Reef Plus 100ml brings the full spectrum of trace minerals, vitamins and amino acids to your reef aquarium .

Seachem 's Reef Plus 250ml brings the full spectrum of trace minerals, vitamins and amino acids to your reef aquarium .

Seachem Reef Plus 500ml brings the full spectrum of trace minerals , vitamins and amino acids to your reef aquarium.

Reef Strontium 250ml from Seachem is a concentrated strontium gluconate supplement (10,000 mg/L) for the reef tank that restores and maintains strontium at the level existing in natural seawater.

Seachem 's Reef Trace 250ml provides a broad spectrum of trace minerals proven to be necessary for good coral health and growth .