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Search: Keyword(s): ; Posts Made By: asmith
Forum: Shrimp & Other Invertebrates 07-20-2012, 07:08 PM
Replies: 11
Views: 563
Posted By asmith
I would say in a 20 any fish at all will destroy...

I would say in a 20 any fish at all will destroy the culture (or at least keep it small enough it will be no use in feeding anything else), though I'm sure this must work at some combination of tank...
Forum: Shrimp & Other Invertebrates 07-20-2012, 05:01 PM
Replies: 11
Views: 563
Posted By asmith
Scuds will survive in the tanks probably but...

Scuds will survive in the tanks probably but won't multiply too much without a portion of the tank set aside to provide them protection from the fish. Blackworms will slowly get eaten to nothing and...
Forum: DIY 07-17-2012, 03:42 PM
Replies: 21
Views: 1,204
Posted By asmith
It looks like the first pictures should work to...

It looks like the first pictures should work to me, I would do some calculations to make sure the pipe is sized correctly though.
Forum: Algae 06-29-2012, 08:31 PM
Replies: 5
Views: 789
Posted By asmith
Isn't his brown diatoms? looks like it to me...

Isn't his brown diatoms? looks like it to me from the picture anyway...
Forum: Algae 06-29-2012, 08:30 PM
Replies: 9
Views: 612
Posted By asmith
Get some daphnia. With no fish in the tank they...

Get some daphnia. With no fish in the tank they will multiply and clear it within a week.
Forum: DIY 06-28-2012, 05:58 PM
Replies: 13
Views: 2,374
Posted By asmith
The proper tool for this is a hook and/or pick. ...

The proper tool for this is a hook and/or pick. Do a search on amazon for "hook and pick set" if you want to see what I am talking about. You really only need the 90 degree bend variety. Not to be...
Forum: Aquascaping 06-22-2012, 02:39 PM
Replies: 33
Views: 5,820
Posted By asmith
there is a product called "tree armatures" that...

there is a product called "tree armatures" that is the plastic molded tree without foliage that may be more suitable. no paint on them but I'm not sure what type of plastic they are molded from.
Forum: DIY 06-19-2012, 04:02 PM
Replies: 25
Views: 2,081
Posted By asmith
I can't believe anyone actually sucks on the hose...

I can't believe anyone actually sucks on the hose to start a siphon. Just submerse the hose in the aquarium (from one end to the other so no air remains in the line), pinch the end, and then put the...
Forum: Plants 06-07-2012, 05:51 PM
Replies: 16
Views: 695
Posted By asmith
Silver is toxic and inhibits cell growth. Silver...

Silver is toxic and inhibits cell growth. Silver is also added to plastics to make them antibacterial and antifungal. It also reacts in water (tarnishes). That being said I'm not sure if a plant...
Forum: DIY 06-07-2012, 03:01 PM
Replies: 6
Views: 732
Posted By asmith
I would definately not use a bit meant for glass....

I would definately not use a bit meant for glass. As far as I know glass bits are all abrasive, in plastic they would get clogged and then melt the plastic to make the hole which is not what you...
Forum: DIY 06-01-2012, 07:53 PM
Replies: 51
Views: 3,211
Posted By asmith
Threaded rod should be less expensive than bolts,...

Threaded rod should be less expensive than bolts, but you are right in that PVC tubing is less risky. Good luck!
Forum: DIY 06-01-2012, 06:44 PM
Replies: 51
Views: 3,211
Posted By asmith
http://www.plantedtank.net/forums/pHosting/f/10490...

http://www.plantedtank.net/forums/pHosting/f/10490_Part2c.jpg

If it was me I think I could make something like the picture above work. The trick is you would have to have some kind of gasket...
Forum: DIY 06-01-2012, 04:18 PM
Replies: 17
Views: 1,096
Posted By asmith
I think you would need to subtract more from the...

I think you would need to subtract more from the price than the actual cost of materials it would take to build another spray bar to make it fair. But maybe that's just me.
Forum: Shrimp & Other Invertebrates 06-01-2012, 02:04 PM
Replies: 7
Views: 593
Posted By asmith
I agree with the other posts here. Larvae will...

I agree with the other posts here. Larvae will be ok with sponge filter, but fish will eat them. Whatever species I had did not require salt. Generally you need nutrient rich water for them to...
Forum: DIY 06-01-2012, 01:51 PM
Replies: 51
Views: 3,211
Posted By asmith
There's really no reason to test it that I can...

There's really no reason to test it that I can see, water height is a direct measurement of pressure , but a pressure gauge would work assuming the lid was clamped down somehow. Look up pascal's law...
Forum: DIY 05-31-2012, 07:42 PM
Replies: 51
Views: 3,211
Posted By asmith
If the water head above the bucket is say 3 ft...

If the water head above the bucket is say 3 ft (1.3PSI), and the bucket lid is 12in diameter(113in^2) (I think that's about right) you are looking at ~ 150 lbs of force separating the lid from the...
Forum: DIY 05-24-2012, 05:08 PM
Replies: 68
Views: 3,142
Posted By asmith
That's really not how it works. Like I said...

That's really not how it works. Like I said siphons can work in any atmospheric environment. Its the pressure differential from one end of the siphon to the other that makes the water flow but it...
Forum: DIY 05-24-2012, 04:50 PM
Replies: 68
Views: 3,142
Posted By asmith
yes the vertical column of fluid on one side of...

yes the vertical column of fluid on one side of the siphon is higher than on the other side. atmospheric pressure plays no part unless one side of the siphon is not exposed to it, in which case it...
Forum: DIY 05-24-2012, 04:40 PM
Replies: 68
Views: 3,142
Posted By asmith
Maybe you don't understand what head pressure is....

Maybe you don't understand what head pressure is. Head pressure is the water height difference BC whose pressure drives the siphon. Atmospheric pressure has nothing to do with it.
Forum: DIY 05-24-2012, 04:16 PM
Replies: 68
Views: 3,142
Posted By asmith
lowering the outer box while maintaining D in the...

lowering the outer box while maintaining D in the same place won't accomplish anything.

You can try putting larger and larger diameter tubes in but I can't tell you if it will be enough because...
Forum: DIY 05-24-2012, 03:19 PM
Replies: 68
Views: 3,142
Posted By asmith
If you have you extend the external portion of...

If you have you extend the external portion of the utube to still be below D then the internal portion will be above D right? in this case you will lose your siphon.
Forum: DIY 05-24-2012, 03:12 PM
Replies: 68
Views: 3,142
Posted By asmith
if either end of the utube is above D you will...

if either end of the utube is above D you will lose your siphon everytime the pump stops. Or more often if the external box empties fast.
Forum: DIY 05-24-2012, 03:05 PM
Replies: 68
Views: 3,142
Posted By asmith
Just to double check is the external end of your...

Just to double check is the external end of your utube submerged? It would have to be almost touching the bottom if I understand your description correctly. Could be if it is as close to the bottom...
Forum: DIY 05-24-2012, 02:51 PM
Replies: 68
Views: 3,142
Posted By asmith
http://www.plantedtank.net/forums/pHosting/f/10418...

http://www.plantedtank.net/forums/pHosting/f/10418_overflowc.jpg

Maybe this will help. A is the level in the tank,B is the level in the internal box when the pump and siphon are running, C is the...
Forum: DIY 05-24-2012, 02:18 PM
Replies: 68
Views: 3,142
Posted By asmith
I'm a bit confused then I guess, what keeps the...

I'm a bit confused then I guess, what keeps the end of the Utube on the external side from coming out of the water? Maybe better pictures or a drawing would help.
Showing results 1 to 25 of 36

 
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