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Search: Posts Made By: mark
Forum: Reef 07-12-2009, 05:18 PM
Replies: 19
Views: 3,902
Posted By mark
Reason why I gave up with the swing arm is one...

Reason why I gave up with the swing arm is one I'd been using for awhile (always rinsing between uses) one day was off 0.006. Didn't drop it, arm swung freely, no signs of damage, etc and it was...
Forum: Reef 07-12-2009, 02:55 AM
Replies: 8
Views: 2,076
Posted By mark
Mine did. Had to cross about 12" and over a clam...

Mine did. Had to cross about 12" and over a clam if it did a direct route.
Forum: Reef 07-12-2009, 02:49 AM
Replies: 19
Views: 3,902
Posted By mark
If the refractometer is calibrated, I'd believe...

If the refractometer is calibrated, I'd believe it.
Forum: Marine Fish 07-12-2009, 02:16 AM
Replies: 17
Views: 4,239
Posted By mark
from the link "...is off-limits to any kind of...

from the link "...is off-limits to any kind of collection since 1982" and "These are offsprings from a collection trip..."

So the parents were hot?
Forum: Pictures 07-11-2009, 08:22 PM
Replies: 205
Views: 68,432
Posted By mark
Very nice Rus. Any chance you could put up a...

Very nice Rus.

Any chance you could put up a link to the other forum where your build is?
Forum: Reef 07-11-2009, 06:26 AM
Replies: 18
Views: 4,239
Posted By mark
Had good success just making a slurry of kalk and...

Had good success just making a slurry of kalk and the water from thawing some mysis, then feeding the aiptasia using a syringe. Peppermint shrimp are then good to get the ones you can't reach to feed.
Forum: Reef 07-11-2009, 04:14 AM
Replies: 7
Views: 1,802
Posted By mark
I have a overflows on each end of my tank each...

I have a overflows on each end of my tank each drilled for 2" drains and current running Dursos. They're fairly quiet but know a Herbie would be quieter.

Have thought to convert to a modified...
Forum: Reef 07-09-2009, 10:45 PM
Replies: 8
Views: 1,982
Posted By mark
have a Aqua-safe unit and just took a look and...

have a Aqua-safe unit and just took a look and there's a metal coupling between the housing and elbow (on the blue line side by where the arrow points to 4th stage membrane housing in the diagram),...
Forum: Product Review and Equipment Forum 07-09-2009, 10:35 PM
Replies: 23
Views: 6,695
Posted By mark
found with my 2" Dursos running between 500 and...

found with my 2" Dursos running between 500 and 1000gph, hole size in each is only around 1/8"
Forum: Ocean Aquatics 07-09-2009, 05:59 AM
Replies: 7
Views: 1,501
Posted By mark
you might. I just got the ship e-mail notice from...

you might. I just got the ship e-mail notice from Canada Post this morning with a ship date of today (Wednesday) and expected delivery of the 10th (Friday)
Forum: FOWLR 07-09-2009, 04:53 AM
Replies: 3
Views: 4,866
Posted By mark
I had problems too getting my Ca levels up....

I had problems too getting my Ca levels up. Combination of water changes (using IO and every time I changed the water was causing a drop due low Ca) and low Mg (again IO).

Now find if making up...
Forum: Ocean Aquatics 07-09-2009, 04:43 AM
Replies: 7
Views: 1,501
Posted By mark
and thanks from me as well for the bulbs. ...

and thanks from me as well for the bulbs.

Internet ordered on Sunday, shipped regular mail and at my house in Edmonton today (Wednesday).

Still think it's something that it took all of about 5...
Forum: Reef 07-08-2009, 03:35 PM
Replies: 27
Views: 5,199
Posted By mark
skimmer, surface agitation, water dropping into...

skimmer, surface agitation, water dropping into overflow
Forum: Reef 07-08-2009, 04:08 AM
Replies: 7
Views: 2,079
Posted By mark
It's hitting the high side (see here ...

It's hitting the high side (see here (http://www.reefkeeping.com/issues/2004-05/rhf/index.php)for idea of NSW). As for tuning, idea is to keep the pH around 6.5 and if want to lower the system...
Forum: Reef 07-08-2009, 04:01 AM
Replies: 27
Views: 5,199
Posted By mark
The Hofer is the sort of the same idea as a...

The Hofer is the sort of the same idea as a Stockman or Durso in that they draw in along air with the water. What makes the Herbie silent is no air is mixed in.
Forum: Reef 07-07-2009, 01:17 PM
Replies: 27
Views: 5,199
Posted By mark
The height in the overflow chamber is also set by...

The height in the overflow chamber is also set by how high the the primary stub is. Can go from none (just the bulkhead) upwards. Advantage of running the water level in the chamber on the higher...
Forum: Product Review and Equipment Forum 07-05-2009, 10:43 PM
Replies: 11
Views: 3,455
Posted By mark
3-4:1, ro's aren't the greenest

3-4:1, ro's aren't the greenest
Forum: Reef 07-05-2009, 10:42 PM
Replies: 33
Views: 7,575
Posted By mark
that's so sad...

that's so sad...
Forum: Reef 07-05-2009, 08:08 PM
Replies: 5
Views: 1,811
Posted By mark
Good comment specially considering people have...

Good comment specially considering people have tanks without sumps (me included, had a 75g for ~3years) and definitely agree bigger is better. More volume, more stability, plus room for a fuge, frag...
Forum: Reef 07-05-2009, 08:01 PM
Replies: 16
Views: 3,866
Posted By mark
I've used (250w DE) -14K Hamilton, really...

I've used (250w DE)
-14K Hamilton, really really love the colour, crisp white, touch of blue, but had a couple of bulbs burn out after a month, other after 6 months.
-14K Ushio, find rather yellow,...
Forum: Edmonton 07-05-2009, 07:54 PM
Replies: 8
Views: 2,055
Posted By mark
thanks all, ordered from OA. Via reg mail free...

thanks all, ordered from OA. Via reg mail free shipping.
Forum: Reef 07-05-2009, 03:30 PM
Replies: 7
Views: 2,079
Posted By mark
For all reactors keeping the flow the same and...

For all reactors keeping the flow the same and increasing bubble count will lower the pH.

Might find if flow too low, reactor will not keep up with systems Ca/Alk demands.
Forum: Edmonton 07-05-2009, 02:21 PM
Replies: 8
Views: 2,055
Posted By mark
Any Edm vendors stocking Phoenix bulbs?

Looking for Phoenix 14K 250W DE.
Forum: Lounge 07-05-2009, 02:41 AM
Replies: 33
Views: 6,690
Posted By mark
I'm happy with iTunes with a generation 2 and 4...

I'm happy with iTunes with a generation 2 and 4 nano
Forum: Reef 07-05-2009, 02:36 AM
Replies: 27
Views: 5,199
Posted By mark
two bulkheads in the same overflow, definitely...

two bulkheads in the same overflow, definitely consider a Herbie. Personally been in front of 2 high flow (1900 and 2000ggph) systems and have to say truly silent. Here's a drawing from rban on RC...
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