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Search: Keyword(s): ; Posts Made By: makutaku
Forum: General Planted Tank Discussion 11-27-2013, 07:57 AM
Replies: 20
Views: 1,997
Posted By makutaku
Question Sealed wet-dry ? Why bother ?

Here's one question I haven't found an answer for:

"What's the benefit of the wet-dry section if it's sealed ?"

Unless your sump already has it, it makes no sense to me to build a sump with a...
Forum: Fertilizers and Water Parameters 05-01-2013, 08:36 AM
Replies: 3
Views: 635
Posted By makutaku
Maybe you already got your answers at this point,...

Maybe you already got your answers at this point, but I will try to help just in case.


Yes.


Short answer: no.

Long answer: it depends. Even with very low KH your PH will be stable unless...
Forum: DIY 03-16-2013, 04:58 AM
Replies: 34
Views: 38,541
Posted By makutaku
The calculator relates six variables. You provide...

The calculator relates six variables. You provide five of them and it calculates the sixth.

You need to answer the following question: what do you want it to calculate ?

Then you need to...
Forum: Tank Journals 09-14-2012, 05:29 AM
Replies: 475
Views: 67,515
Posted By makutaku
If O2/air is being pulled down, noise is being...

If O2/air is being pulled down, noise is being produced. I wish I could oxygenate the water better, but not at the expense of my sanity. :icon_wink

If on the other hand someone uses a full siphon...
Forum: DIY 08-02-2012, 03:16 AM
Replies: 12
Views: 1,119
Posted By makutaku
Designing for full spectrum

I am planning to use mostly Philips Luxeon LEDs and purchase them from Stevesled. Since they don't sell 40 optics, I decided to use 60 optics instead.

According to the calculator the new total...
Forum: DIY 07-17-2012, 05:14 AM
Replies: 60
Views: 17,695
Posted By makutaku
I haven't started my build yet but if I started...

I haven't started my build yet but if I started today I would probably use 80/20 erector set to not only hold the heatsinks together but also provide a solid structure for suspension. 80/20 also...
Forum: DIY 07-13-2012, 08:00 PM
Replies: 12
Views: 1,119
Posted By makutaku
I made a mistake in the PAR calculation by using...

I made a mistake in the PAR calculation by using 60" as my fixture length.
The calculator assumes the fixture length is tank length minus tank width, which in my case is: 72" - 24" = 48"

So...
Forum: DIY 07-09-2012, 09:04 PM
Replies: 12
Views: 1,119
Posted By makutaku
Yes, it's true for the Luxeon as well. ...

Yes, it's true for the Luxeon as well.
Fortunately their PDF shows the luminous flux for 3 different currents:

135lm @ 350mA
235lm @ 700mA
320lm @ 1000mA

Doing a polynomial interpolation...
Forum: DIY 07-09-2012, 09:21 AM
Replies: 12
Views: 1,119
Posted By makutaku
Number of LEDs

One of the LEDs I am looking at is the Philips Luxeon ES COOL WHITE 3W, shining 351 Lumens at 1000ma.

Assuming the current-luminosity relationship approximately linear, when this LED is run at...
Forum: DIY 07-09-2012, 03:08 AM
Replies: 12
Views: 1,119
Posted By makutaku
I will not deny: I am tempted a little. ...

I will not deny: I am tempted a little.
Specially because I believe it's easier to dim it down than it's to upgrade it.
Not enough light when you have injected CO2 also invites algae, doesn't it?...
Forum: DIY 07-09-2012, 02:28 AM
Replies: 12
Views: 1,119
Posted By makutaku
cost range

For cost, I will use the ATI mentioned above as a baseline.
I don't know what is the PAR on the substrate of one of those, but I want to be sure my fixture will be above 60.

In reality, if I had...
Forum: DIY 07-09-2012, 01:08 AM
Replies: 12
Views: 1,119
Posted By makutaku
Control freak LED fixture

After a 3 years break, it's time for me to return to this hobby.
Coming back in a bigger way, hopping to acquire a rimless 72"x24"x20" somehow.

In our business, if plants are more important than...
Forum: DIY 07-08-2012, 08:42 AM
Replies: 60
Views: 17,695
Posted By makutaku
We do need the information about your "aluminum...

We do need the information about your "aluminum housing" in this FAQ.

I am sure there's at least one person very curious to know. :icon_wink
Forum: DIY 07-06-2012, 04:30 AM
Replies: 60
Views: 17,695
Posted By makutaku
Thumbs up Thanks theblondskeleton! I wish there was a...

Thanks theblondskeleton!

I wish there was a thread like this one 3 weeks ago when I started !

This definitely should be sticky!
Forum: Lighting 06-23-2012, 07:12 AM
Replies: 71
Views: 9,391
Posted By makutaku
Thanks for taking the time to explain. It helps a...

Thanks for taking the time to explain. It helps a lot!


I am considering suspending mine like you did. Probably 12" above tank connected to the 14' ceiling.

Can you provide more details on...
Forum: Lighting 06-22-2012, 05:47 AM
Replies: 71
Views: 9,391
Posted By makutaku
Don't feel so bad. Thanks for sharing. Your...

Don't feel so bad. Thanks for sharing. Your experience including this set back will help many others. I will now definitely take additional precaution when it's time to hang the fixture! :icon_wink
Forum: General Planted Tank Discussion 06-13-2012, 10:22 PM
Replies: 35
Views: 1,560
Posted By makutaku
Could you share how you got your masterflex pump...

Could you share how you got your masterflex pump for $100 ? What model is it?
Forum: General Planted Tank Discussion 06-02-2012, 07:25 AM
Replies: 5
Views: 836
Posted By makutaku
disclaimer: I don't have an overflow yet, and I...

disclaimer: I don't have an overflow yet, and I am just learning about Herbie overflow.

That being said, I don't think it matters whether the primary and backup drain(s) are in the same overflow...
Forum: Equipment 08-25-2006, 06:42 PM
Replies: 2
Views: 567
Posted By makutaku
Where do you buy your Milwaukee regulator-to-cilinder washer ?

I have a Milwaukee CO2 regulator. It came with two nylon washers. People recommend to replace it every refill. Mines are gone so I need to buy more.

The welding supply store - where I refill my...
Forum: Plants 07-02-2006, 09:39 AM
Replies: 1
Views: 504
Posted By makutaku
Could you please ID this plant for me ?

I would like to know what is the name of the plant inside the circle:

http://makutaku.selfip.net/Pictures/UnknownPlant.jpg


Thanks for your help !
Forum: Fertilizers and Water Parameters 10-18-2004, 05:11 PM
Replies: 17
Views: 1,301
Posted By makutaku
My Red Sea Nitrate test kit doesn't work either. ...

My Red Sea Nitrate test kit doesn't work either. The expiration date is 12/20/2005 but it reads either ZERO or +50ppm (only in VERY concentrated solutions). It couldn't be worse in my opinion...
Forum: Fertilizers and Water Parameters 10-17-2004, 05:17 AM
Replies: 11
Views: 808
Posted By makutaku
Half a CAP. Sorry. :icon_redf Initially I...

Half a CAP. Sorry. :icon_redf

Initially I started to noticed some fuzzy algae on the front glass. Not so bad. A couple of days after dosing NO3 to 5ppm - being guided by the bad Red Sea test kit...
Forum: Fertilizers and Water Parameters 10-17-2004, 03:25 AM
Replies: 11
Views: 808
Posted By makutaku
Thumbs down I did the test and the test kit still reads zero...

I did the test and the test kit still reads zero ! :mad: For a very concentrated solution it reads +50ppm. It's either zero or +50ppm ! Man, what a bad and misleading Nitrate test kit this is ! ...
Forum: Fertilizers and Water Parameters 10-16-2004, 10:18 AM
Replies: 11
Views: 808
Posted By makutaku
Besides the KNO3 described above, the only thing...

Besides the KNO3 described above, the only thing that I added since I set up the tank 7 days ago was a little less than half a cup of flourish iron. I regret I did that, even though was less then...
Forum: Fertilizers and Water Parameters 10-16-2004, 07:13 AM
Replies: 11
Views: 808
Posted By makutaku
Question How big is your tsp ?

When dosing dry nutrients such as KNO3, how do you measure a "tsp" ? :icon_ques

When talking about liquid, measuring a tsp is easy. But when you guys say a tsp for a powder, do you mean...
Showing results 1 to 25 of 30

 
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