Help getting 2 part dosing straight
- Thread starter Spdjnky
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Spdjnky
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No there is no air sucking in from the top I have seen that before. Now for your 2nd part I think I kinda know what you are saying but what can I do about it?
OP
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Spdjnky
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All that does is make them less.
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Spdjnky
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This is what I have been trying to figure out for along time. I have tried everything in polishing the water thinking it's precipitation or the pump is just to strong and keeps blowing detritus off of the rocks and back up into the water ran a BRS reactor with a sediment filter also have carbon running I don't know what to do now I'm lost. Nothing I have done has worked. Where do I go from here? It doesn't seem to be causing problems it just looks like ****...
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Spdjnky
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Here I moved the Gyre up for more surface agitation and still have the flow cranked up and I am not seeing the gas bubbles if that's what they are. But if u look you can still see them in the water.
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Spdjnky
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Back to the 2part again ...... Thursday morning 5/31 I changed the dosing to 37 ml for both Alk and Cal this is spread out over the 24 hr period. I have not made changes but have kept checking it ( I know to much but haven't changed anything) I have seen the alk rising slowly ...I think I know yesterday it was 8.8 this morning 9.2...I will check the cal on my dosing pump but I'm pretty sure it's good. At the same time the Calcium seemed to be staying right at 410-415 ppm This morning it was 400 ppm....... I did have some precipitation in the beginnig but not now that I can see....I generally recommend alkalinity in the 7-11 dKH range.
Higher alk in that range can lead to faster hard coral growth, if these is sufficient nitrate and phosphate (maybe other things).
Lower alk in that range makes it less likely to get SPS burnt tips if the nutrients get too low.
I would not suggest that 9 dKH is "better" than 8 dKH or 7 dKH.
One fine plan is to keep dosing as you are and see where the alk settles out.
An alternate plan is to dose 50% more each day and see where that settles out, which will be a somewhat higher alk than the above plan.
In each case, I'd use the matching dose of calcium.
What should I do here other than give it some more time ......but it dose not seem to that the cal is going to keep up?
Randy Holmes-Farley
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Are you doing water changes during this period? That can mess with the relative demand for calcium and alk.
It's OK to slowly raise the calcium dosed to meet the demand, but it responds far slower to over or under dosing than does alkalinity. If alk rose 0.4 dKH with equal overdosing, you are unlikely to be able to detect the proportionate calcium rise ( 3 ppm).
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Spdjnky
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No last water change was Wed right before this period. This dosn't have anything to do with the gas bubbles or supersaturation that I have read about but haven't found the cause or how to go about looking for it. Is it possible that my plumbing is somehow causing it?
Randy Holmes-Farley
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I'm not sure what issue exactly you are worrying about, but no, plumbing does not impact the relative demand for calcium and alkalinity. Most pumps get a little precipitation of calcium carbonate in them since they are warm and it is less soluble in warmer water, but that doesn't show up as different than some extra demand by corals for both calcium and alkalinity proportionally.
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Spdjnky
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My bad .sorry I'm not worrying about the alk and cal. They seem to be falling in line just the cal may be a bit low and I also have take my testing into the factor and make sure things are right. It's the gas bubbles or supersaturation that is bothering me. Every time I look at my tank I see what is in the last 2 videos ....it's there without the Gyre even on
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Spdjnky
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Hi again Randy, Still working on the 2 part and with checking a few times a day I know but am retired. With a 37 ml dose of soda ash seems to be staying pretty consistent around 8.8 to 9.2 dKH was 8.9 this morning. The Calcium still kind of low 400 ppm also 37 ml of Calcium Chloride. The Magnesium has always been 1300 and was that the last time I checked it on 5/22 this morning was 1250 ppm. So now that I'm getting this thx for all the help where do you think I should go with things? I would like the calcium to be a little higher and I have never dosed Magnesium I mixed the jug up that's about it.
When thinking about the dosing I have to think about that I will be adding 10 more corals tomorrow.
And I am still lost as to where to go or do about the gas bubbles or supersaturation I can't seem to find out where to start on fixing it and also how much to worry about it.
Thx again for any help u can give me
Phil
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Spdjnky
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Everything is going good thx for the help. I had some adjusting to do on my dosing pump set-up and manually dosed yesterday and with 37 ml for both witch works out to be about a 1/2 ml per gallon. both are staying stable and the Mag that I said was 1250 must have been my eyes because I have checked 2 times since and got 1300 ppm should I mabye bring it up a bit?
And I am still lost as to where to go or do about the gas bubbles or supersaturation I can't seem to find out where to start on fixing it and also how much to worry about it.
Phil
