Fritz Aquatics FritzPRO R.P.M. Salt Mix Box (55 lbs - Makes 200 Gallons) - Fritz Aquatics $82.24 Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor elements of natural sea water that are utilized by... Add to Cart
Fritz Aquatics Fritz RPM Liquid Magnesium Elements (1 Gallon) - Fritz $30.79 Magnesium plays a critical role in marine aquariums by maintaining a balance between calcium and alkalinity. It is impossible to maintain calcium and alkalinity at the proper levels without also maintaining magnesium. A proper magnesium level is also... Add to Cart
Fritz Aquatics Fritz RPM Liquid Magnesium Elements (16 oz) - Fritz $9.67 $16.99 Magnesium plays a critical role in marine aquariums by maintaining a balance between calcium and alkalinity. It is impossible to maintain calcium and alkalinity at the proper levels without also maintaining magnesium. A proper magnesium level is also... Add to Cart
Fritz Aquatics Fritz RPM Liquid Magnesium Elements (32 oz) - Fritz $14.07 $22.99 Magnesium plays a critical role in marine aquariums by maintaining a balance between calcium and alkalinity. It is impossible to maintain calcium and alkalinity at the proper levels without also maintaining magnesium. A proper magnesium level is also... Add to Cart
Fritz Aquatics Fritz RPM Liquid Alkalinity Elements (32 oz) Part 1 - Fritz $11.43 $19.99 It is impossible to maintain a healthy, vibrant marine aquarium without also maintaining the proper levels of calcium and alkalinity. FRITZ RPM CALCIUM/BUFFER SYSTEM allows aquarists to maintain these two critical components in their proper ionic balance... Add to Cart
Fritz Aquatics Fritz RPM Liquid Alkalinity Elements (16 oz) Part 1 - Fritz $8.79 $14.99 It is impossible to maintain a healthy, vibrant marine aquarium without also maintaining the proper levels of calcium and alkalinity. FRITZ RPM CALCIUM/BUFFER SYSTEM allows aquarists to maintain these two critical components in their proper ionic balance... Add to Cart