Reef Central Online Community

Go Back   Reef Central Online Community > Blogs
Blogs FAQ Calendar

Notices

Unread

Measurements, part 2

Posted 09/16/2018 at 10:06 AM by sacremon

Something that occurred to me at the time I was making my post was a comparison to hard drives, how a drive is advertised as being 400GB but in the computer it is shown as being 372.5GB. Thing is, the situation with aquariums and with hard drives are for completely different reasons.

Hard drive manufacturers define a gigabyte as 1 billion bytes. 1,000,000,000 or 10^9. Computers operate in powers of 2. The way the operating systems are designed, a gigabyte is a power of 2 that...
sacremon's Avatar
Registered Member
Posted in Uncategorized
Views 57226 Comments 0 Go to first new comment sacremon is offline Edit Tags
Unread

What is it about measurements in this industry?

Posted 09/15/2018 at 01:45 PM by sacremon

I have a background as a trained lab scientist - Ph.D in Toxicology. Measurements need to be precise, but more importantly they need to be accurate.

Precise = How many digits of precision the value has, so 10.2983 is more precise than 10.4

Accurate = How close the reported value is to the actual value. If the actual value is 10.35 then 10.4 is more accurate than 10.2983

There are two places where measurements get me in this industry. One is the reported...
sacremon's Avatar
Registered Member
Posted in Uncategorized
Views 88332 Comments 1 Go to first new comment sacremon is offline Edit Tags
Unread

Okay, so it has been a while

Posted 09/13/2018 at 09:03 AM by sacremon

I find myself with some free time and desire to start blogging again.

Lots of things have changed since that last post. The tank got upgraded to a 300DD I think later in 2011, thanks to a bonus at work. Zebra eel had a fatal run in with the fire urchin, which was painful to watch.

In early 2012 I got a Platax orbicularis (round or orbiculate batfish) along with another volitans lion. At some point Chris, the LFS guy who by that point was doing regular maintenance...
sacremon's Avatar
Registered Member
Posted in Uncategorized
Views 54559 Comments 0 Go to first new comment sacremon is offline Edit Tags
Unread

Corals from Snoob

Posted 08/26/2018 at 02:55 PM by five.five-six

rainbow granulosa

[IMG]http://imagizer.imageshack.us/a/img922/6904/LxNXKK.jpg[/IMG]


Vic's granulosa

[IMG]http://imagizer.imageshack.us/a/img921/5644/uPtB81.jpg[/IMG]


Pink lemonade
[IMG]http://imagizer.imageshack.us/a/img923/7973/HCPLyr.jpg[/IMG]


PC rainbow
[IMG]http://imagizer.imageshack.us/a/img922/5431/G8mttu.jpg[/IMG]



Paletta blue acro
[IMG]http://imagizer.imageshack.us/a/img921/512/Md1JQp.jpg[/IMG]...
five.five-six's Avatar
Registered Member
Posted in Uncategorized
Views 137414 Comments 2 Go to first new comment five.five-six is offline Edit Tags
Unread

Kamoer FX STP Pump

Posted 07/25/2018 at 11:40 AM by ecvernon

https://youtu.be/pmHkUqUJ6hk

Bulkreefsupply just did their spotlight on the pump. I will pick up those stem adapters to connect to Rodi.

Sent from my BLA-A09 using Tapatalk[/QUOTE]
Premium Member
Posted in Uncategorized
Views 97969 Comments 0 Go to first new comment ecvernon is offline Edit Tags

All times are GMT -6. The time now is 12:34 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2024 Axivo Inc.
Use of this web site is subject to the terms and conditions described in the user agreement.
Reef CentralTM Reef Central, LLC. Copyright ©1999-2022
User Alert System provided by Advanced User Tagging v3.3.0 (Pro) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.