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Search: Keyword(s): ; Posts Made By: Sar315
Forum: Lighting   06-08-2016, 05:19 AM
Replies: 5
Views: 308
Posted By Sar315
Unusual question about lightning intervals

Lets say I am going to light for total 10 hours a day.

Is it OK, if instead of (for example) two 5 hour intervals with several hour between them I'll have 10 one hours intervals with 5 minutes of...
Forum: DIY   09-27-2014, 12:35 AM
Replies: 1
Views: 927
Posted By Sar315
my DIY LED lightning: easy to make, decently looking, 3-x more efficient then CFL

Made from aluminum carpet trim from Lowes ($12) and rigid aluminum LED strips ($12) from China.



This is complete project:
(ignore box with arduino on top - you don't need it)

374362
...
Forum: DIY   04-08-2014, 05:58 AM
Replies: 7
Views: 2,600
Posted By Sar315
MeanWell LPV-60-12 - constant voltage (12V) power...

MeanWell LPV-60-12 - constant voltage (12V) power supply
Forum: DIY   04-03-2014, 03:45 AM
Replies: 7
Views: 2,600
Posted By Sar315
Yes, you can see dwarf hair-grass (which likes...

Yes, you can see dwarf hair-grass (which likes high light) is growing successfully, though I'll probably add couple more strips - light is not high enough in corners.
Forum: DIY   04-03-2014, 03:08 AM
Replies: 7
Views: 2,600
Posted By Sar315
I got 2 warm white and 4 cold white. Not sure...

I got 2 warm white and 4 cold white. Not sure what K they are.
If you search by keywords "rigid led strips 5050 50cm" on AliExpress you'll see results.

On the bottom view you can see that 2...
Forum: DIY   04-03-2014, 02:49 AM
Replies: 7
Views: 2,600
Posted By Sar315
DIY Led Lightning from aluminum rigid strips

So I bought 6 rigid aluminum 50cm 5050 led
aluminum strips from AliExpress.
Each costs ~$3.50 delivered ~ $20 for six.


300330

After some cutting, riveting and soldering

Top view:
Forum: Plants   12-05-2013, 06:26 AM
Replies: 3
Views: 391
Posted By Sar315
Good, but this seems like a lot of work - every...

Good, but this seems like a lot of work - every time any plant reaches top I'll have to replant it.
Forum: Plants   12-05-2013, 05:48 AM
Replies: 3
Views: 391
Posted By Sar315
How to prevent stemmed plant from branching at a cut ?

I would like to have something like a pine trees forest -
lots of single stem plants growing close to each other,
so there is the same density at the top and bottom.

In particular I am talking...
Forum: DIY   11-13-2013, 10:15 PM
Replies: 3
Views: 665
Posted By Sar315
Nice design but, what if leak happens on one of...

Nice design but, what if leak happens on one of outside connections ?

Pump will pump out half of aquarium on the floor.

IMHO it is safer to have pump inside or above tank.
Forum: Lighting   11-13-2013, 08:02 AM
Replies: 0
Views: 391
Posted By Sar315
FYI, Some light measurements with different reflectors (LUX not PAR!)

I got $10 Chinese light meter from ebay and made some light measurements with different reflectors and without them.

All measurements were made with new 13 watt 6500K light bulb.
Making...
Forum: General Planted Tank Discussion   11-02-2013, 06:00 AM
Replies: 27
Views: 2,267
Posted By Sar315
3% hydrogen peroxide help

3% hydrogen peroxide helps. Attach long tube to syringe and once a day flush directly onto algae with it. After couple of times algae becomes brow and dies.
Forum: DIY   10-31-2013, 03:18 AM
Replies: 5
Views: 3,065
Posted By Sar315
It can handle about 2 bps - pls see new (21...

It can handle about 2 bps - pls see new (21 second) video - after 5 hours of operation CO2 bubble grew to 1.5 inches, but bubbles are not escaping, some bubbles went down a little bit bug got trapped...
Forum: DIY   10-30-2013, 03:17 AM
Replies: 5
Views: 3,065
Posted By Sar315
Video of working system is here CO2...

Video of working system is here

CO2 reactor/diffuser attached BEFORE inlet of pump/powerhead - YouTube

CO2 bubble stays on top - doesn't burst through inlet.
Strong water flow from pump outlet...
Forum: DIY   10-30-2013, 12:14 AM
Replies: 5
Views: 3,065
Posted By Sar315
I heard this argument before, but why pumps come...

I heard this argument before, but why pumps come with restrictor
(little sliding plate) in front of inlet ?
Obviously manufacturers do not consider cavitation to be a problem.
Also this pump is...
Forum: DIY   10-29-2013, 08:13 PM
Replies: 5
Views: 3,065
Posted By Sar315
New design of CO2 reactor

Usually CO2 reactor is connected to outlet of pump like this:
228217

This design works but have couple of problems:
1. sometimes small bubbles escape from the bottom.
2. the whole contraption...
Forum: DIY   03-14-2013, 04:44 PM
Replies: 4
Views: 2,155
Posted By Sar315
I used Weld-On. About $13 on ebay for a kit. ...

I used Weld-On. About $13 on ebay for a kit.

[Ebay Link Removed]

Instructions:
http://www.mpdacrylics.com/acrylic-displays/manufacturing-acrylic-displays-step4.php
Forum: DIY   03-14-2013, 03:14 AM
Replies: 4
Views: 2,155
Posted By Sar315
In the previous version pretty big CO2 bubble...

In the previous version pretty big CO2 bubble accumulated inside, so in this version I put BIO ball. So far I didn't get bubble and ball doesn't do anything useful - just rotates inside.
Forum: DIY   03-14-2013, 02:53 AM
Replies: 8
Views: 3,876
Posted By Sar315
Please see new version of reactor with video here...

Please see new version of reactor with video here

http://www.plantedtank.net/forums/showthread.php?p=2818746#post2818746
Forum: DIY   03-14-2013, 02:52 AM
Replies: 4
Views: 2,155
Posted By Sar315
my DIY CO2 reactor/diffuser for HOB filter NEW VERSION

I've previously posted my design of CO2 reactor/diffuser which inserts into outlet of HOB filter.

http://www.plantedtank.net/forums/showthread.php?t=260434


Since then I made new improved...
Forum: DIY   03-02-2013, 12:58 AM
Replies: 8
Views: 3,876
Posted By Sar315
Outflow of filter is only 1 inch above water...

Outflow of filter is only 1 inch above water level in aquarium.
Filter is open on top and there is no pressure in the system.
Anything that significantly restricts water flow in reactor will ...
Forum: DIY   03-01-2013, 07:44 AM
Replies: 8
Views: 3,876
Posted By Sar315
I am not sure, long tube might create too much...

I am not sure, long tube might create too much back pressure and reactor will overflow
Forum: DIY   02-28-2013, 07:56 PM
Replies: 8
Views: 3,876
Posted By Sar315
No CO2 doesn't burp through at all. Trick is to...

No CO2 doesn't burp through at all. Trick is to make hole for water small enough to prevent it and big enough to go through without overflowing from top.

Yes I agree about moving input port to the...
Forum: DIY   02-28-2013, 05:54 PM
Replies: 8
Views: 3,876
Posted By Sar315
my DIY CO2 reactor/diffuser for HOB filter

I got tank with HOB filter, so inline CO2 reactor outside of tank is not possible.

I've tried different types of diffusers/reactors, they either take too much space in tank or create soda water.
...
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