Sentari's New Tank

RiaanP said:
Flow rate depends on sump width. Same pump on a 300mm wide sump compared to a 600mm wide sump will deliver double the flow. If you add food inside the water (not on top) high up in first chamber, when it goes over to DSB chamber, how far into DSB area does it go before it settles.

A hermit can run around in 5cm water.
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I'll measure everything tonight again and give you all the measurements :)

I know hermits will be fine in 5cm water. The problem is they love jumping into the return and skimmer chamber then they cant get back...
 
looking good, but i agree with you, i think the dsb can be a nitrate trap, i dont have one anymore eighter
 
i would do it slowly
start the NP, get it running, can take 2 weeks etc, then start removing sand...
then leave like a 1cm layer and use it for a refugium to grow pods
 
Dallas do you think i should then siphon the top layer of the DSB and keep that to a side and use this as the 1cm at the bottom once i've siphoned everything.

I wouldnt want the sand at the bottom to cause trouble?

Or i can just go with new sand or cleaning some of the sand.

Last thing i want is the sand to cause problems.
 
i used livesand and miracle mud, when you do it i dont mind taking from my refugium and donating some
 
dallasg said:
looking good, but i agree with you, i think the dsb can be a nitrate trap, i dont have one anymore eighter
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Lmao dallas you crack me up boet.:biggrin:

Just last week you were swearing by dsb and said you have two and they the best thing ever(or something to that effect) if the right size is used.......


what made you change your mind so suddenly?

IMO and experience a properly set-up dsb will drop nitrates but not help much with phosphates.

A level of 10-15cm using PLAYSAND is what I use in one of my tanks and its works great for the past few years.

Sentari,it could be that your dsb is simply too small to handle the amount of nitrates your system is creating,or too deep in which case you could be doing the opposite of what you want it to do.

Post some pics and dimensions of your dsb please?

I'm not using a dsb in my new cube because I'm going for a high bioload low nutrient system but still a DSB works for normal tanks great.
 
@Falcon
i said it can be a nitrate trap, but on my one system i am lucky to have the space to run a huge dsb, 400kg of sand, but i know sentari's tank and the dsb is not working for him, so it is the best option

but i run as many diff options on my tanks so i can see how each work in various configurations
 
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i agree with the size issue, needed to make my posts clearer...
 
dallasg said:
@Falcon
i said it can be a nitrate trap, but on my one system i am lucky to have the space to run a huge dsb, 400kg of sand, but i know sentari's tank and the dsb is not working for him, so it is the best option

but i run as many diff options on my tanks so i can see how each work in various configurations
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yes it does seem his dsb is failing him

Sentari said:
Falcon i think it is too small.

I'm going to post the dimensions tomorrow.

Second thing... Will running both impact anything?
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Dimensions will be great then we can see what the problem is,also what substraet are you using?

Running both should not impact anything especially since the np-pellets are in their own reactor,I would however suggest you have backup power for the np pellets reactor pump incase the power fails so that there wont be bacterial die off in case of lack of oxygen.

Oh and is the oulet for the np pellet reactor running close to the skimmer inlet?this would be the best way imo to run a np pellets reactor.
 
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Falcon said:
Dimensions will be great then we can see what the problem is,also what substraet are you using?

Running both should not impact anything especially since the np-pellets are in their own reactor,I would however suggest you have backup power for the np pellets reactor pump incase the power fails so that there wont be bacterial die off in case of lack of oxygen.

Oh and is the oulet for the np pellet reactor running close to the skimmer inlet?this would be the best way imo to run a np pellets reactor.
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Yep i agree ill give you dimensions tomorrow and yourself and Riaan can comment :)

Reactor is right next to my skimmer so i have no problem with that.
 
and measure the water head over last divider. Water surface to glass top. Should only be a few mm. But I would like to know.
 
but what is the difference in the actual water level and the divider.
The depth of the water on top of the divider.
 
Too much excitement tonight! For the first time ever i actually have seen my cleaner shrimp babies all over the tank! Millions of them.


Sump Info

k its 300mm length x 350mm width big

150mm height DSB

and 10cm of water flowing over the DSB.

@RiaanP - if i understand what you saying its about 2-3mm but remember there's coraline and bits of algae also :)
 
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Some quick Photo's of the new BTA from my iphone.

Still worried about the Zoa's around him

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You got cleaner shrimp babies all over your tank and you post a pic of your RBTA. Priorities bud we want to see the new babies dad.
 
Sentari said:
if i understand what you saying its about 2-3mm
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that is too low.
Measured mine last night, as well as a lot of tanks at Dorry Pets. Mine is 6mm. So at least double the flow compared to your sump. The tanks at Dorry differed from 5 to 10 mm water on top of the divider. According to @lanzo the tank that is the best in regards to N and P, that tank is 7mm.

So I am sure that the water flow you got across your DSB is too low.
 
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