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  1. C

    Phosphate build up

    I don't even think one would need anything so elaborate. However, I think we are getting close. Maybe I am wrong though.
  2. C

    Salt the question, once again!

    I mean 5 tests on the exact same standard batch of salt or aquarium water or both. take a sample, run a phosphate test on it 5 times in 5 days. That way we can see the variability of the test itself. If the test has a 50% error margin, how can we use it to validly compare salts that differ by...
  3. C

    Phosphate build up

    I want to follow up on this later tonight. This is where I was hoping the conversation would go. I think we need to explore the ramifications of this concept. Also Nick, This is what I was hoping someone would say. I hope somebody can validate this concept. This is what I am thinking would...
  4. C

    Salt the question, once again!

    Test precision is a good question here. Somebody should do a series of 5 tests on a single batch of salt over a 5 day period and calculate an average value and the standard deviation. Without understanding the precision of the test itself, it is impossible to understand the variability between...
  5. C

    Phosphate build up

    Ha, I like the idea about acrylic rocks and rock reactors. A novel idea really. I'll bet it would work very well. Like the ultimate BB tank. You could even rig up two rock reactors, where you would take a rock out of one, boil it and put it into the other so the cycles would be really...
  6. C

    Deion 200r or kold ster-il

    Yes wrightme43, nitrate is negatively charged. I would expect an ion-exchange resin to work pretty very well here. However, an RO unit will filter about 90-95% of the impurities out of the water and save your DI catridge. Without an RO unit, your DI unit will become de-activated about 10...
  7. C

    Phosphate build up

    Yes, I would think that P buildup in a BB tank would be more easily dealt with by detrius removal. Rocks might eventually become saturated with P binding bacteria and start to grow hair algea but I don't know really I love models and thought experiments so I'll pose another one. What do you...
  8. C

    Phosphate build up

    Hi Nick..welcome I looked into this on the net last night after I posed the question. Evidently it is very difficult to answer what a true lifespan is because bacteria divide for reproduction. The question is normally addressed by the cell division rate. Thus cells can divide based on a...
  9. C

    Phosphate build up

    It depends upon what you mean by pertain? In my opinion it is very pertinant, as it is a process which goes on all the time and drives most of what you see in the universe. I think you are having a hard time separating chemical equilibrium, as a general concept, to phosphate buildup in the...
  10. C

    Phosphate build up

    I think I am not explaining myself clearly. Regime 1 is like a definition. By definition, things not strongly bound by a sink (in its most general sense) will exist most abundantly in the water column. Here they will be easily available for export. For instance, Nitrate might be a good...
  11. C

    Phosphate build up

    P.S. Vickie. Thank you for the great Humic acid link. As a point. I have personally investigated humic acids and other related extracts via NMR, LC/MS, UV and GC-MS in regard to their antioxidant properties. This was many years ago though....C
  12. C

    Phosphate build up

    Vickie, I'm glad somebody picked this thread back up..I thought it was dead. Ok. Please understand with this thread I am not trying to deliver an absolute answer to anything. My goal was and is to develop a fundamental understanding of the chemical equilibrium(s) at play in the aquarium...
  13. C

    Salt the question, once again!

    Likely in the winter, people who have gas furnaces will get higher levels of CO2 in the air. This will increase the saturation of CO2 in the water as carbonic acid. I think the trick is to make sure the house has adequate exchange with the outside air. If the air in the house is full of CO2...
  14. C

    Salt the question, once again!

    10 gms of washing soda in 50 gallons will raise ALK by approximately 1 meq/L. Washing soda is primarily sodium carbonate, while baking soda is primarily sodium bi-carbonate. These two will interconvert to one another in our aquariums by equilibration with CO2. Initial pH changes and Alk...
  15. C

    Salt the question, once again!

    Waterdogs. I also like aquacraft products. Please note that, as you pointed out, the ingredients are listed on the bottle, which is a good practice so you know what you are spending your money for. This appears to be a buffered and well balanced Alk booster. It contains no Borate, which is...
  16. C

    Salt the question, once again!

    Since there was a bit of a tiff on this thread, I'm going to offer some advice. First, learning from each other is largely about debate. Debate equals confrontation. Confrontation does not necessitate rudeness. Some general guidelines I personally use, as my job is largely about fighting for...
  17. C

    Baking Soda in the Aquarium

    Yes, any salt, including the A&H and pickling lime will cause a rise in salinity. This what is meant by "balance". Salinity is really just the total sum of all salts in the water. If we add things that contain one thing at a faster rate than another and keep salinity the same then the...
  18. C

    TDS and RO/DI

    Nikki, this seems a wells studied and accurate write up. I would add that RO units separate based up size, or more appropriately, what is called hydrodynamic radius. Most silicates, as you point out, are not ionized and so will not show up on TDS readings. In fact, any un-ionized species in...
  19. C

    Baking Soda in the Aquarium

    Oh, yea...about the sodium. The largest part of sea salt is sodium chloride. Thus sodium is no problem...C
  20. C

    Baking Soda in the Aquarium

    Ok, been busy today...where to start. First I think that reedman made a good point to waterdog's comment, although maybe somewhat bluntly. I think waterdog made a statement that he wanted clarity on. However, that statement was based on heresay and not on evidence. I think it perfectly...
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