ReefKeepingBasics.com

[caritarn]

My water is finally crystal clear. It is a happy day. I have not regularly checked mg levels since I have no corals. I did it once and It was normal. My Ca levels had been really high (almost too much 460) but lately they have dropped. my friend mentioned that as well. i'm wanting to try and get used to testing and keeping water parameters for a reef tank. You know get used to it before I start adding corals. What levels besides the usual amonia, nitrite, nitrite, ca, phos and mg do I need to test for? what kind of supplements do you need to add for a reef tank.

My plan is to build a 150gal tank that will be the fish only tank (for when my little guys start to get bigger) and the 75 gal one I have now will become the reef tank. any tips would be great.

[Tizzo]

After your ammonia and trite/trate levels are all at 0 consistantly, you will not have to test as often for those...
Calcium and alkalinity will needed to be tested on a regular basis though since coals, specifically stonies, will deplete those two.
Other than those, there are no supplements that I add to my tank. This differs between each hobbiest, some add DT's. I spot feed my meat eaters and do nothing at all for the SPS's or softies so I assume they get what they need via good salt mix and what ever I feed the rest of the tank.

[caritarn]

 

[ranjith9]

There are two general approaches for addressing pathogens in source water. The first is physical removal/filtration, in which the pathogen is removed from the water. There are a wide variety of existing, proven technologies that are used - the choice is up to the individual public water system (with State consultation). Systems select particular technologies based on many factors, such as source water quality (level and variability of turbidity, temperature, pathogens, contaminants other than pathogens, levels of organic and inorganic materials, etc.), existing (in-place) treatment, regulatory requirements that apply to the system, cost, operator expertise, availability of land for new processes, water quantity needed, and ability to dispose of residuals (sludge, reject water from membrane processes, etc.). Widely used removal technologies include conventional filtration (including flocculation, coagulation, sedimentation), direct filtration, slow sand filtration, diatomaceous earth filtration, cartridge and bag filtration, membranes (reverse osmosis, nanofiltration, ultrafiltration, microfiltration) and riverbank/bank filtration. Each of these processes have advantages and disadvantages.

The second is disinfection/inactivation, in which a chemical disinfectant (chlorine, chloramine, ozone, chlorine dioxide) or ultraviolet rays are used to "kill" the pathogens, rendering them non-infectious. As with filtration, the selection of technology is up to the system, in consultation with the State. Each of the processes has advantages and disadvantages. Systems use many of the same considerations as they use to select a filtration technology.
Nearly all surface water systems (and some ground water systems) use a combination of both filtration and inactivation. This provides a multiple barrier and better addresses the wide variety of pathogens and other contaminants. These technologies are designed to control not only regulated pathogens, but unregulated pathogens.
Finally, surface water systems and some ground water systems (especially larger ones) maintain a disinfectant residual within the water distribution system to control microbial regrowth. This residual, in addition to a well-designed flushing program, proper storage tank operation, pipe maintenance/repair and replacement, and good design and construction, help to ensure that the water produced at the treatment plant maintains its quality on the way to the consumer.

Just as the past 20 years have brought new/improved processes (e.g. membranes, ultraviolet


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