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Phosphates - CS DispoPhos
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Phosphorus - (Phosphorum) - P

CS DispoPhos is animal-safe preparation of highest purity based on trivalent iron, intended for instant and controlled removal of phosphates from both seawater and fresh water


Version 2014-VIII

CS DispoPhos

CS NitraClean

CS DispoPhos is animal-safe preparation of highest purity based on trivalent iron, intended for instant and controlled removal of phosphates from both seawater and fresh water.

Specification

Preparation is intended for all types of marine and reef tanks, especially the ones with larger fish populations. CS DispoPhos instantly reacts with phosphates in water forming the precipitate which partially imbeds on bottom of the tank, is partially removed by skimming and caught in particle filter - if available.

Composition

Mixture of inorganic ferric (Fe III) compounds.

CS DispoPhos versus Sorbents

Sorbents
 

Disadvantages of Sorbents

The graph above shows the absorption time behavior for the most of sorbent, which is rather problematic for bellow mentioned reasons:

P1 Period

Immediately after the new sorbent is applied the absorption rate hits the ceiling and is higher than needed. Zero phosphorus concentration is undesirable - trace phosphorus concentrations in seawater are required - more information can be found in related article about phosphorus.

Many sorbents also release unwanted matter - often toxic - at P1-period (curve x), causing sometimes pH value changes as well.

P2 Period

In the course of certain time the absorption rate is optimal - phosphorus concentration is held on trace level.

P3 Period

From certain moment - given by brand of sorbent and preceding phosphorus concentration - absorption rate falls gradually. The logical economical dilemma arises - when to proceed with sorbent exchange?

Particularly at P3-period the sorbent can also be colonized by various bacteria and if kept too long time in a tank, unwanted biological processes can be initiated.

Summary

Main problems of solid sorbents are following:

  • Uncontrollable non-linear time behavior of absorption
  • Risk of negative influence of seawater chemistry after the application of new batch
  • Risk of negative influence of seawater biological environment at the end of sorbent life time
  • Absorption capacity can never be utilized on 100%
 

Advantages of CS DispoPhos

As results from the graph above, regular application of CS DispoPhos enables to maintain phosphates concentration on long-term stable trace level. There are no disadvantages of solid sorbents - the use of CS DispoPhos is targeted, controlled and economical. Based on the results of phosphate concentration testing CS DispoPhos can be applied in exactly required amount.

 

Dosing & Application

Dosing

Suggested

5 ml / 100 l of water / week

Always use reliable phosphate test kit for determination of accurate dosing!

1 ml of product removes ca 25,5 mg of phosphates

Maximum

10 - 35 ml / 100 l of water / week

Manual Application

  1. Determine the phosphates concentration
  2. Use coral-shop online dosing calculator for determination of accurate dosing
  3. If required dose is higher than 35 ml / 100 l of water / week, spread it out during two or more days
  4. Make a check determination of phosphates concentration

Check determination of phosphates concentration can be made as early as 20 min. after CS DispoPhos application.

 

Application with Dosing Pump

  1. Follow the instructions for manual application above
  2. After 7 days determine the phosphates concentration
  3. Use coral-shop online dosing calculator for determination of accurate daily dose
  4. Set the required dose on your dosing system - use maximum available number of cycles per day!
  5. Make regular check determination of phosphates concentration and adjust dosing if needed
 
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