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  #31  
Old 12-16-2018, 12:51 AM
jacky jacky 目前離線
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Give more pictures, or videos. Need more information because I don't fully understand your tank. As G. said, usually NP should not rise after water changes, so check the quality of Ro water is good, and usually use Zeo basic products can effectively help reduce NP. Maybe from the wrong NP value, or other reasons, you need the correct value to solve the problem.

What is your current complete dose, what is the current Zeo zeolite flow, have you replaced it (the first change is about 1 month), Is there any non-Zeo use, such as activated carbon, live sand, or lighting (the white light spectrum is more suitable and tends to help with low nutrient salts)

Get the correct NP. If the water quality of Ro is good (tds=0), if the NP is increased after changing the water, then it is certain that some other factors cause the measurable NP to be released. If the use of the basic product can reduce the NP, then continue ( Add the tank during the current phase of execution time, perform the project, such as replacing Zeo zeolite activated carbon, changing water 5~10% per week, siphon vacuum, skimmer wet, maintaining good lighting for 8~10hr, changing filter every other day Socks, let time make better improvements


Can you give more pictures or videos, including sump inside?
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  #32  
Old 01-11-2019, 06:28 AM
wangsz wangsz 目前離線
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Default brown film/algae

hi,G!
Follow your advice,i have removed all the redsea carbon for one weeks and added 100ml kz carbon and corals get batter.Two weeks ago I first changed the stone and dose 2 drops bak daily for 10 days.other dosage are:star3 0.2ml*2 daily,sp 2 drops*3 weekly.
NO3 0.1(salifert)
PO4 0(hanna)
KH 7.0(salifert)
Ca 440(salifert)
Mg 1230(salifert)
K 380(salifert)
Form last week I found some deep brown film or algae on rocks and some corals, now I stopped dosing sp and reduced star3 to 0.15ml?*2 daily.i want to know what the brown film is and what to do next, thank you!
now I already have CV,AA,Coralsnow plus,CaynoClean,A-Balance
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  #33  
Old 01-11-2019, 07:40 AM
jacky jacky 目前離線
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Hello, I am not G. This is a small idea for me, if you are willing to Zeo Coral Snow can get this support. Understanding that getting the right zeolite reactor flow is good
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  #34  
Old 01-11-2019, 08:40 AM
wangsz wangsz 目前離線
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thanks jacky!i will try your advice!the flow is 200l/h,with continous flow.200L net water
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  #35  
Old 01-11-2019, 09:12 AM
jacky jacky 目前離線
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The brown film may be an increase in nutrients, and the zeolite bacteria cannot utilize the excess carbon to cause bacterial membranes, such as small bubbles in the case of illumination. (It is for reference only) so I will come up with an understanding of the zeolite reactor flow.

Standard dose Zeo Coral snow 1ml=100L, 3mlCS should help this process every day

skimmer modulation wet.

Participate in the discussion, there may be many wrong places, reference
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  #36  
Old 01-11-2019, 10:48 AM
jacky jacky 目前離線
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Oh My God, I just used a computer to look at the picture. There is a bad feeling. It may be Dino. Do you have a microscope to observe them?
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  #37  
Old 01-11-2019, 10:50 AM
wangsz wangsz 目前離線
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no,i don't have.the third pic looks like dino
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  #38  
Old 01-11-2019, 11:21 AM
jacky jacky 目前離線
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Will small bubbles disappear at night? How long has the situation been? What is the current tank situation? Can you post more pictures of white light and more pictures of sump?Are you smelling a pungent plastic around the tank, this pungent smell emanates from the water, especially at night,Is the reflector of the T5 lamp good?

The part of the algae can be solved first. It can continue to be treated with Zeo CS. Reduce organic matter

Last edited by jacky; 01-11-2019 at 11:44 AM.
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  #39  
Old 01-11-2019, 11:03 PM
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G.Alexander G.Alexander 目前離線
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Always difficult to say what exactly it is from pictures but it really could be Dinoflaggelate as the third picture does show some kind of brown strings. If you do not have access to a microscope you can never be 100% sure but Dinoflaggelate do usually disappear while the dark period growing back very quick if the light are switched on in the morning.

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  #40  
Old 01-12-2019, 06:23 AM
wangsz wangsz 目前離線
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Thanks G!
It does disappear while the dark period growing back very quick if the light are switched on in the morning.And the dino just mainly grow up in the overflow but just a little in display tank.I use a tooth brush to remove it handly some times a day. I want to know what cause this?last week i added a small piece of dead rock into the DT.may be the rock leached some unwanted chemical composition and two or three days later the dion growed up.Now i have removed the dead rock.
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  #41  
Old 01-12-2019, 11:31 PM
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G.Alexander G.Alexander 目前離線
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Lets try to remove the piece of rock again, if that is the reason they should disappear within a short time.

G.Alexander
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  #42  
Old 05-11-2019, 02:13 AM
wangsz wangsz 目前離線
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Hi,everyone! i am back!
After changing to full Zeo about three months,most things are getting better!THanks G、Jacky and everybody who gave me usefull advice.
The tank now show good PE,fast growth.
But some of the corals especially green sps have stn,little PE.So i come back and need hepl again!thanks!
Parameter of the tank
NO3=0.2
PO4=0
Ca=420
Mg=1250
Kh=6.7
K=380
Additives
Bak 2d*2 week
Star 0.3*2 daily
Sp 3d every other day
Cv 3d*2 week
AA 2d@ week
Xtra 2mL*2 week
FWS 3mL daily
CB 2ml every other day
Fe 2d daily
A-b 4ml every 10 days
Bio-mate 2d*2 week
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  #43  
Old 05-11-2019, 04:18 AM
jacky jacky 目前離線
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Corals look a bit good, just feel some coral light tissue

What kind of activated carbon brand/what kind of use has been used, has the activated carbon of the Red Sea been removed?

What kind of exact reactor flow, current hourly flow is it the recommended 1/2 flow?

Maintain stable parameters as much as possible, including potassium

The current status of corals, has it stopped since the last time?

Is the salinity at the right level?

Does tank use some live rock instead of all dry rock?

As long as the current coral is healthy, I will not change too much, your dose seems to be good.

It is good to change the water by 5~10% per week. It seems to stimulate and help the coral grow and bring the water back (original activated carbon).

If the coral is healthy/growth and has stopped TN, then a slight adjustment to the nutrient addition may be good.

What makes me wonder is that from your dosing plan, this seems to be not directly proportional to the appearance of the coral (may be picture relationship, or maybe it is my mistake, after all, each tank is not necessarily the same)

The primary goal is to restore the corals to health and stop the TN, keeping all water parameters as stable as possible.

Last edited by jacky; 05-11-2019 at 04:35 AM.
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