Quote:
Originally Posted by gobytron
Reefwars, unless you can show me some documentation where all of a sudden water changes have gone from being great for nutrient export to poor to somehow poor, I'll have to chalk it up to your opinion.
Maybe one that's based on lfs info more so than anything else?
Good theory to sell more equipment.
I have posted a couple that indicate they are excellent means for removing them....with the added benefit of replacing consumed elements and trace metals.
For goodness sakes, just google water change nutrient export and enjoy the wonders of the Internet..you don't have to take it from me. You can see the same said by multiple, respected reef enthusiasts.
Has there been some new research on this?
Please post the articles, as I hAve, that as you say, state your claim as scientific fact.
I'll also reiterate
Of course coralline will consume dkh (yes, obviously calcium too).
No one is refuting this well known fact.
It won't be an issue until you have lots of coralline with alk and calcium in perfect balance which promotes both their consumption.
If you're just starting a tank, as is the op, it is a non issue unless your rocks are extremely coralline covered.
Regular water changes would and are more than enough to subsist your coralline growth and then some in a newly established system.
Especially a smaller one.
Buying a doser on a new tank because you're worried about your corallines consumption is silly.
Sorry.
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It's actually common simple math I'm surprised I have to explain it yet again , what do you remove with %10 water change? Lets say for giggles
You were able to leave the calcium , salt and all other things behind what have you removed ? Nothing more than %10 that's it ....so if you had 20 ppm nitrates you'll now have 18ppm how is that a good way to export nutrients ? Do you think the nutrients are finite? As long as there are animals and organic life there will always be an addition of nutrients so why on earth unless you have an infinite supply of salt or money would you use water changes for the sole purpose of nutrient export ? Get it now?
You used the quote about how using water changes to replenish calcium and alk to eventually become not enough hence the reason to add them your selves whys that? Because the size of the changes and cost would be a waste and considered not the ideal route to go.
Your not removing just nutrients your wasting things that are still good lol
So far I've seen you post an article which you obviously either dont understand or am missing the point of and you talk about trying to be a scam like a lfs well my friend I don't work for a lfs and I also don't take alot of my advice from guys who picked up reefing when myths were the norm lol spend a little time on the Chemistry form ask this exact question I'll gladly cone back for a chat or I'll meet you there I'm on it all the time
So I ask this and maybe you can actually answer it on your own words what does a routine hobby change of 1% a day remove in the way of nitrates and phosphates .....do the math on an easy number like a 100g tank with 100ppm of nitrates and 1ppm of phosphates ....post you math here and let's go over it then tell me how long it would take to get zeros without the fact that these nutrients are created 24/7 and added all the time....no nitrogen no life after all .
I'll be curious to see what you come up with lol
PS. To go back to your article if actually read it you'll see the goal isn't nutrient export it's exactly as I said to replace elements and remove the build up of trace metals of course removing g water will remove the nutrients but if you wanted to keep zeros you'd have to remove %100 everyone so that's why people carbon dose , skim run gfo etc. Not because these things are fun to do or too much money on hand because these things are simply better and way more efficient at doing so .
Cheers