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Great Reply's, very helpful... THANK YOU!!!

K, thanks for the advice. I guess I start moving toward LS. Is there a good ratio of #of LS per gal of water?

I stired up some of bed and just under the surface the cc was black. What does this mean? Is it going anaerobic? I was thinking of removing most of the bed and leaving behind about 1/4" to 1/2". Currently its 2-3". Advice on this would be great. Ian

Do you think that would work?

I think a airstones would still be required, or better yet a Slipxslipxfm"T". Cap the Female and insert an air line. I think its a venturi only using gravity instead of a pump. Probably could attach a couple of T to acheive proper air mixture. I think I was reading another thread on this...

Originally posted by Bang Guy A few 90 degree corners at the bottom and you might not need additional airstones but more bubbles won't hurt. How would you incorporate a 90 degree to add more bubbles?

Would a "T" work for supplying a counter current skimmer? If I used control valves to limit the flow into the skimmer with a luft air pump suppling the air? Would that be enough head? I am currently build a 4" 4' tall skimmer and dont want to use any water pumps if possible. I have build a...

You can always build your own and save some money.

https://www.saltwaterfish.com/vb/show...hreadid=150107 Would you know how to utilize this?:help:

Is there a thread showing this? or Bang, Do you know anything about this?

I will soon be placing a 50 gallon tub(from Target) as a sump in my crawl space. The distance from the top of tanks water to the bottom of the crawl space would be approx 8'. I would think that with all of that head a DIY skimmer would be key. But how to use up all of that free water presure...

I went to las palmas elemtary school out there. Lived on the bluffs.

I am building a protein skimmer and need a duable air pump. If you are intrested in selling one please email me at bookdjian@hotmail.com THanks Ian:jumping:

BUMP

Originally posted by Bang Guy Calcium is super saturated above 250ppm in a typical reef tank. This means that at 400ppm it should immediately start to precipitate. Magnesium interferes with Calciums ability to form crystals so at 1350ppm Magnesium Calcium will not be able to precipitate until...

Bang, What is the roll of magnesium? Are there any threads that explain?

I am dosing with Seachem calcium suppliment, daily. Magnesium levels are unknown, do not test. My calcium remains around 320-340. Should I dose more?

As of yesterday my calcium is at 320 I would like to get it near 420-450. I have been dosing small amounts each day for the past week and still cannot get it to raise. Any advice?

****BUMP****

Originally posted by BeachBumTX Some qeustions first... How long has the tank been up and running? What type of lighting? How long are they on a day? How old are they? What is the level of nitrates in the tank? Is the tank near a window? Tank has been running since October Lighting is Ice Cap...