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Natural Seawater Mimicking
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coral-shop Reefkeeping Concept
CS Concept Step by Step
01 - Water enters the sump
Rating: Visitors: 24452 Comments: 0 Posted: 11.09.2013  

Let"s imagine any running marine aquarium full of the animals where water circulates between the tank and the sump. In simple words, water entering the sump has following properties:

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02 - Trapping the particle impurities
Rating: Visitors: 24531 Comments: 0 Posted: 13.09.2013  
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03 - Proteins removal
Rating: Visitors: 24705 Comments: 0 Posted: 13.09.2013  

Certain molecules - belonging to the Unwanted Matter category in reefkeeping - pass through the particle prefilters and even the fine particle filters and the only chance how to remove them from seawater is the protein skimming - which role is therefore irreplaceable.

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04 - Removal of nitrogen compounds
Rating: Visitors: 24265 Comments: 0 Posted: 13.09.2013  
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05 - Removal of phosphorus compounds
Rating: Visitors: 24404 Comments: 0 Posted: 13.09.2013  

The graph bellow shows the absorption time behaviour for the most of absorbers (sorbents), which is rather problematic for bellow mentioned reasons:

P1 Time Period - Immediately after the new absorber is applied the absorption rate hits the ceiling and is higher than needed. Zero phosphorus concentration is undesirable - trace phosphorus concentration in seawater is required - more information can be found in related article about phosphorus. Many absorbers also release unwanted matter - often toxic (orange area) - causing sometimes pH value changes as well.
P2 Time Period - In the course of certain time the absorption rate is optimal - phosphorus concentration is held on trace level.
P3 Time Period - From certain moment absorption rate falls gradually. The logical economical dilemma arises - when to proceed with absorber exchange? Particularly at this time period the absorber can also be colonized by various bacteria and if kept too long time in a tank, unwanted biological processes can be initiated.

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

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06 - Replenishment of depleted matter
Rating: Visitors: 24483 Comments: 0 Posted: 13.09.2013  

As regards to the depletion of elements and organic nutrients, CS Concept offers three alternative solutions: Platinum Reef, Marine Line and Profi Plus. All three conceptions are cross-compatible.

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07 - Seawater Exchange
Rating: Visitors: 24207 Comments: 0 Posted: 13.10.2013  

CS Marine Salt is a professional, 2-component marine salt of highest commercially attainable purity, intended for reef tanks. Product guarantees the following benefits for made seawater: Naturally identical composition - Perfect homogeneity - Highest commercially attainable purity.


We recommendregular water exchange in the amount from 5% for large tanks to 20% for smalltanks monthly. Nevertheless, the best solution is automated continuous waterexchange. 

More information about seawater exchange can be found in the articles linked bellow. In simple words, the following shall be considered by all reefkeepers:

  • Each reef tank is unique, with different depletion rate of nutrients, while marine salt composition is always fixed. Seawater exchange as a sole tool for seawater chemistry maintenance will never work in a long run and cannot replace the role of additives.
  • Majority of commercial marine salts is enriched with trace and minor elements - boosted salts. This is presented as an advantage - which is not.

The seawater exchange versus additives options:

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08 - Animal Care
Rating: Visitors: 24066 Comments: 0 Posted: 13.10.2013  

Reefkeeping animal care covers two major areas:

  • Feeding
  • Prophylaxis and - in worse case - treatment of diseases

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09 - Seawater Analysis
Rating: Visitors: 24635 Comments: 0 Posted: 13.10.2013  

Precise dosing of the additives and removers can only be made with preceding precise water analysis. New and steady expanding CS TEST product line currently offers following precise titrimetric test kits for seawater:

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10 - Product Dosing
Rating: Visitors: 25234 Comments: 0 Posted: 13.10.2013  

CHANNEL ONE Modular Dosing System for aqueous solutions and suspension puts the accent on following aspects:
  • Reliability
  • Ease of use
  • Aggressive environment resistance
  • Modularity

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