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REEF AQUARIUM CORAL PROPAGATION LAB

CORALLINE ALGAE PROPAGATION RESEARCH PAGE

Geothermal Aquaculture Research Foundation, Inc

1726 Merrill St.
Boise Idaho 83705
U.S.A.
Email: leroy@garf.org


REEF AQUARIUM CORALLINE ALGAE PROPAGATION

Reef picture

Coralline algae is one of the most important things to grow on tank raised live rocks. Coralline algae can not grow in a system until you introduce it by adding live rocks. The more types of Coralline that you introduce the more types you will find growing on your tank raised live rocks. In our research lab we have experimented with several different methods to aid the advancement of coraline growth. We have noticed that new coralline algae starts to seed itself in the first month and it usually is found on the bottom base rock where the lighting is not so bright. This may have something to do with the fact that all our tanks are started by adding GARF Grunge, which has an abundent mixure of small pieces of coralline algae.


Several colors of Coralline algae can be grown on the same tank raised live rock. Calcium is one of the most important things to add to your live rock growing tanks. Calcium levels in your live rock grow out tanks should be kept at about 400 mg/L at a specific gravity of 1.024. We have found that by using SeaChems Reef Builder and Reef Advantage in alternating doses in our make-up water we have had no trouble keeping both the calcium and alkalinity at the proper levels for rapid coralline growth. This simple method of treating our make-up water also keeps the strontium level in our grow out tanks high enough for the coralline algae to thrive.

jay shrimp coraline algae picture

This picture shows tank grown aragonite live rocks that are 8 weeks old. The Coraline algae has started to cover the aragonite. You must keep the Phosphate level in the live rock grow out tank very low. Protein skimming is important in the grow out tanks because it controls phosphate. Make-up water can be a source of phosphate. You may need a reverse osmosis or deionization system if your water source has phosphates. Feeding is the most common source of high phosphate levels. We use a phosphate removing filter in tanks that are not producing coralline algae fast enough.

Lighting the live rock grow out tank with 2 Triton 40 watt bulbs to each Blue Moon 40 watt bulb has produced the fastest growth of Coraline algae. We keep the lights on for 14 hours and the Coraline algae grows on every part of the rock that is exposed to the light. We have found many types of coralline algae that thrive in different types of light. Some colors of coralline grow best in the top section of the grow out tanks while others always grow best in the lowest part of the system. The best way to get good coralline algae growth on your tank raised live rock is to start the systems with a large number of different species of coralline algae. brown20.jpg




Coralline algae adds color

CORALLINE ALGAE is a very important thing to have growing on your combination tank grown live rock.

  • Coralline algae prevents other algae from growing
  • The bright colors add value to tank raised live rock
  • Coralline covered rocks will seed reef aquariums
  • Mixed colors of coralline algae are rare in nature
  • Coraline algae sells the live rock


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