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For me this is the best news, no more people washing their feet off, I like to go at sunset or midnight anyway.

And no 2" hook up (as of yet) for those big ol' bad tankers.

Happy days are here...

Can anybody check today?

Put in an overflow chamber (Durso designed the standpipe help the waterfall sound into an overflow chamber ) around the standpipe and a sock in the sump to catch the few bubbles
That's all there is...

2 of the blues, 1 of the 10K(or even a GE 6.5K), 1 one of the Fiji Purples

skip the 460nm bulbs in a 4 bulb setup PAR is too low.

Ok, add this to the expierement. Use the hose bottlenecked down in two ways: compare the way you have it with the adapter back to 1/2" ID hose against keeping it at 1/4" ID for a good length.

You...

If am wrong I give you a free eye examination. If you are wrong you come snake my drains.

Think of it this way, if you had a short section of 1/2" pipe then 100' of 4" pipe and next to it you had a similar section of 1/2" then 100' of 1/2" pipe which one do you think would drain a pool...

Yes, I do.

Laws of hydrodynamics do not subject you to the most restrictive diameter. What is done is you add up all the friction of all the fittings and pipe you use. In your 3" pipe example: If you carry a...

Black sand from anywhere is not good in a reef. I believe that would be volcanic which is high in silicates causing the brown daitoms on the glass which are so hard to remove.

You want an...

Dr. Moe's book Beginner to Breeder is still one of the best. You need to make this your fulltime job if you want to raise them. Good Luck.

Try a Durso or better a Herbie standpipe.

You are WRONG!!! There will not be a high flow spiggot!!!

The valve that is on there now is all that is going to be on, I've talked with several of the workers who have told me this. They also...

Yes, if you step it back up to 1" it will drain faster. But, not as fast as not having the reducer at all. They cause much friction mustly due to what is called sudden contraction.

5micron sediment->catalytic carbon for chloramine ->1micron sediment ->1micron chloramine block->75gpd filmtec(dual)->DI ->DI ->out

A little higher than you going in. 14 coming out of the...

It will depend on the scratch depth.

I did the whole front and one side of my 125g starting with 150 and ending with 12000 paper.

Nothing fast or easy about it.

Irrigation Technical Data by Toro Technical Data, Publications Division, Lafayette, Calif. gives us the Frictional Coefficient values for Minor Losses of these fittings based on their actual...

When I go diving, I have seen clowns looking like they are having a hard time of it when the seas get just alittle chaotic. I'm sure they are not but it is funny.

RO does not taste good because all the good tasty solids (minerals) get removed. Some use it for coffee but I like Arrowhead. Arrowhead is spring water; more than likely they get it out of the Lake...

Where the pump is placed in a CL matters little.

The draw and the return will be at the same level.

You can put the pump 50' in the sky or 50' under; the head will be the same for a CL.
...

What is amazing is that Escobal (Table 11.6) says just to treat curved pipe the same as straight pipe when calculating head loss. That is saying the friction in flexible PVC is the same as regular...

I run the numbers using 2" Sch.80 fittings with 2" Sch.40 PVC


FRICTION LOSS BUDGET for one Sch.80 90 Elbow Vs. two Sch.80 45 Elbows with 2" Sch.40 pipe.

For the 90:
fitting (dimensionless)...

FRICTION LOSS BUDGET for one Sch. 40 90 Elbows Vs. two Sch. 40 45 Elbows with 1" Sch. 200 pipe.(completely square)

For the 90:
fitting (dimensionless) 0.9 x 1...

Head loss is different when a 90 is used vs 2 45's vs a long sweep. This is true regardless of dimension. I don't believe I stated one was better than another.

I did not neglected the extra head...

I got a Moorish Idol from DavidM and it was the best reef fish that I ever owned.

Most of what I have read about them is completely wrong; mine at least.

The problem is that they have a very...