davidsu · 2016/09/15

how much sand you need to buy? you will have to ask the seller about dimension of their pack.roughly length X width X high cm = L. then you will see the volume each pack.
for eacj 1cm sand of you tank is 90X 60X 1cm = 5.4L that means each 1cm layer you will need 5.4L sand.

if a 20kg pack sand the volume is 10L ,the 20kg pack can fill you tank about 2cm thick sand base.

that needs some calculation work.

machodik · 2016/09/15

davidsu 說：
how much sand you need to buy? you will have to ask the seller about dimension of their pack.roughly length X width X high cm = L. then you will see the volume each pack.

for eacj 1cm sand of you tank is 90X 60X 1cm = 5.4L that means each 1cm layer you will need 5.4L sand.

if a 20kg pack sand the volume is 10L ,the 20kg pack can fill you tank about 2cm thick sand base.

that needs some calculation work.

Thanks buddy , that give me an idea . My math is so bad because when I am a student I keep staring at my math teacher legs so not paying attention with her teaching Lol!

So 20 kg bag should be good enough. Right ?

Cheers ,

MD

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davidsu · 2016/09/15

No I said "if".......
can you ask 青島 rough size of their 20kg sand pack ? length width and height.

davidsu · 2016/09/15

oh ,you probably won't be able to reach them now .
I quess you roughly will need 30kg fine sand for 2c~3m thin layer your tank. But i can't be 100% sure about it.

machodik · 2016/09/15

Ok buddy ,

I will just buy the 20 Kg * 2 bags, I think that will be better than coming home still need to return later and most specially in the middle of working in my tank .

Wish you and all Ph8.4 reefer a happy moon cake festival!

Cheers ,

MD

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davidsu · 2016/09/15

you too!

machodik · 2016/09/15

By the way they sold is fine coral sand which is crushed from corals skeleton and it number 1 , not the sand from the beach , is this ok? Is this the kind of sand you use?

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davidsu · 2016/09/15

that's fine! # 1 sand grain size is about 2mm or so.
but i know nothing about #5.

ther is #0 sand , I use this #0 !
I just checked #0 sand is around 1mm ,#1 sand is about 2mm.

like this
https://tw.bid.yahoo.com/item/【魚舖子水...178?;_ylt=AnDa6fSQW83WUj2SVLY1Qd1yFbN8;_ylv=3

machodik · 2016/09/15

David.

Thanks buddy for the info , you are so helpful to me .

So you use #0, is this much better than #1? Will this be blow up by the wave maker inside the tank?

This suppose to be also coral sand (珊瑚砂） and not the beach sand , right ?

I understand this corals sand are the end products of grinding from corals skeleton ?

Cheers ,

MD

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davidsu · 2016/09/15

yup i use #0. If the flow is too intense & close, #0 sand could be blow up. I dont have the issue.
actually i don't care if it is beach sand. i use the cheap one.
there are expensive ones like red sea sand and fiji sand . if you don't mind the cost,this is purer better.

and this ,the seller claim that it's beach sand , you may ask him about it
https://tw.bid.yahoo.com/item/MM。青島水族。。台灣羅美-A級菲律賓海灘砂-珊瑚砂-100026902520?u=Y2006886957&actsrch=srp3

machodik · 2016/09/15

Hi David ,
Yeah ! This later one is the store I am going to drop by today to pick up my sand but according to them it is 珊瑚砂, anyway , will just give it a try and see how it work with my tank .

Hope some good effect will finally show up in my tank .

Cheers,

MD

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davidsu · 2016/09/16

That is wet sand. It will be a bit costly. I only have experience of the cheap sand. I think I won't be able to judge if it is worth trying. I would make do with cheap coral sand. Or choose reliable products like Fiji and red sea sand.

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