The table below shows which PREIS Products are recommended
for ideal nutrient supply in your salt water aquarium:



Product  Dosage   Properties  Type of aquarium  Special remarks  Combine with ... 
Formel Preis Korall  Once weekly
20 ml/100 l 
Calcium-based increase
of carbonate hardness 
Coral aquariums,
Malawi-Tanganyika
aquariums 
Increase dosage up to 4fold in case of low carbonate hardness  Can be combined with any PREIS product 
Organ Planer See  Water change,
Water treatment once
weekly
20 ml/100 l 
Neutralizes aggressive substances, protects mucous membranes, promotes growth of algae, caulerpa and seaweed  Aquariums with more
highly developed algae,
shallow areas with
algae, seahorses,
pipefish 
For freshwater treatment. Always add when changing the water  Can be combined with any PREIS product 
Preis Magnesium-Iodine concentrate  Twice weekly
20 ml/100 l 
Sufficient resupply of magnesium + iodine, enhances calcium intake, controls phosphate catabolization  Coral aquariums
Fish aquariums 
Ensures ideal calcium / magnesium balance when combined with Mineral Komplex S  Mineral Komplex S
(Time delay between
use of the products:
12 hours minimum) 
Mineral Komplex S  Once weekly
20 ml/100 l 
Sufficient resupply of trace elements which are constantly used. Addition of calcium and strontium   Coral aquariums
Fish aquariums 
Ensures ideal calcium / magnesium balance when combined with PREIS Magnesium-Iodine Concentrate  PREIS Magnesium-Iodine Concentrate (Time delay between use of the products: 12 hours minimum) 
Preis-Mineral-Salz  40 ml per 10 l of
osmosis water 
Enriches osmosis or tap water with all necessary minerals  Saltwater aquariums,
Malawi-Tanganyika
aquariums 
Free of NaCI. Pure trace elements and salts for the increase of carbonate hardness   Can be combined with any PREIS product