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Offline ReefDVMs

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"How to" install dosing pump
« on: July 09, 2012, 05:59:25 AM »
Simple video here, just put two part on the basement 75 gallon and thought we would shoot a quick vid on it.


<a href="http://www.youtube.com/watch?v=tKZotvrggkc" target="_blank">http://www.youtube.com/watch?v=tKZotvrggkc</a>
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Re: "How to" install dosing pump
« Reply #1 on: July 09, 2012, 08:22:53 AM »
Thanks for the video. I used to keep my ALK/Ca high like this but ran into some problems with it being so high. I now keep ALK 7.5 dKH and Ca 420 ppm with much better results overall. This change was to reduce the stress level on the corals, I'm actually getting better growth now with the NSW levels. Your tank looks great with all that flow, any more flow and you'll ripe those corals off the rocks, LOL.

Thanks again.
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Re: "How to" install dosing pump
« Reply #2 on: July 09, 2012, 08:15:29 PM »
I agree the flow on the tank is little strong during the video.  I use to keep the calcium down at 400 but the coral seem to like the higher the calcium I think.  I hope with the dose pump I will beable to on this tank to control the alk a little better for weekly dosing it causes me to make it high at 12-14 and then by weeks end it drops back down, now with another dose pump I should beable to smooth that out a little at about 10dKH.
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Re: "How to" install dosing pump
« Reply #3 on: July 09, 2012, 09:17:58 PM »
Your using Kalk right?

You really have to watch this stuff, what is your pH at? I prefer dosing CaCO3 and Ca two part, more control but my pH is a little low these days, 7.8-7.9

Also, If you go to bio-pellets, you will need to keep ALK between 7 and 8 dKH. ULNS requires NSW levels to be most effective. If you push the Ca and ALK with Bio-Pellets you can bleach your corals easily as they are more prone to stress by dosing higher than NSW levels.
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Re: "How to" install dosing pump
« Reply #4 on: July 11, 2012, 06:54:17 AM »
Quote from: babyreef on July 09, 2012, 09:17:58 PM
Your using Kalk right?

You really have to watch this stuff, what is your pH at? I prefer dosing CaCO3 and Ca two part, more control but my pH is a little low these days, 7.8-7.9

Also, If you go to bio-pellets, you will need to keep ALK between 7 and 8 dKH. ULNS requires NSW levels to be most effective. If you push the Ca and ALK with Bio-Pellets you can bleach your corals easily as they are more prone to stress by dosing higher than NSW levels.

Our Ph is about 8.1 these days BR, the kalk is added only as needed and not very much on this tank, the other tank has no Ca pump on it so that one runs with a kalk reactor.  I checked everything this morning and the N=0 n=0.01, phos 0.02, Ca 490, dKH 10, Mag=1305, Ph was 8.1 and SpG 1.022.  good to know so if you use bioopellets in teh future you need less alk to increase bacteria growth I gather and increased Ca causes stress adn bleaching with them right?


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Re: "How to" install dosing pump
« Reply #5 on: July 11, 2012, 08:37:50 AM »
dKH between 6.5 and 7.5 seems to work well with ULNS. I personally keep 7.5 now with better results. Ca 420-430 ppm. Corals are doing better now for me. I am starting to dose some ZeoVit products as well but still primarily Brightwell's. I have also found  pH is not that important as long as it is above 7.8 most of the time. Mine averages 7.85 these days with no adverse effects I am aware of.

From your params, you are basically running a low nutrient system, your Ca and ALK are too high IMO, yours corals may be handling it ATM but are stressed to some degree, even if they are growing. All it will take is another added stress factor and you could see issues begin to happen.

Your SG is a bit low but shouldn't cause you any problems, I like to keep mine 1.024-1.025. SG is really livestock dependant, I posted a chart detailing the SG throughout Indonesia a while back. Since many corals we have in or reefs are from this region I thought it interesting to see the abundance of FW runoff throughout the islands can bring the SG quite low in some areas. Because we often have corals from various regions of the world with higher SG, I tend to go with an average SG for my tank as I do with temp.
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