Phosphate can cause problems in marine aquaria, especially reef aquaria if allowed to build to levels above 0.1 ppm as orthophosphate. Elevated phosphate levels will fuel unwanted algae growth and interfere with the calcification processes of corals and coralline algae.

Phosphates are present in many forms in the aquarium, and not all of them can be easily measured. The majority of phosphate test kits used by aquarists measure only inorganic phosphate (orthophosphate) and ignore organic phosphates. This often leads to the observation that although there is no measurable "phosphate" in the wrater, an aquarium still has microalgae growth. These organic sources of phosphate can easily be converted into inorganic forms by the algae and can thus be utilized. The real trick to maintaining low phosphate levels is to minimize the inputs and maximize the removal.

Top-off water can be a significant source of phosphate, as municipal and rural water supplies often contain phosphate in a variety of forms, both organic and inorganic. Use reverse osmosis or deionization to eliminate this potential source of phosphate. Some trace supplements and salt mixes may contain measurable

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The COMPLETE guide to Aquariums

The COMPLETE guide to Aquariums

The word aquarium originates from the ancient Latin language, aqua meaning water and the suffix rium meaning place or building. Aquariums are beautiful and look good anywhere! Home aquariums are becoming more and more popular, it is a hobby that many people are flocking too and fish shops are on the rise. Fish are generally easy to keep although do they need quite a bit of attention. Puppies and kittens were the typical pet but now fish are becoming more and more frequent in house holds. In recent years fish shops have noticed a great increase in the rise of people wanting to purchase aquariums and fish, the boom has been great for local shops as the fish industry hasnt been such a great industry before now.

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