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Search: Keyword(s): ; Posts Made By: MarkMc
Forum: Algae 01-16-2012, 03:09 AM
Replies: 3
Views: 403
Posted By MarkMc
Here's a helpful tip for you: post the details of...

Here's a helpful tip for you: post the details of your particular set up. Otherwise, no one can help you and few will respond to your question.
Forum: Equipment 01-11-2012, 02:54 AM
Replies: 40
Views: 1,402
Posted By MarkMc
Ok, I see what you're talking about. Funny, mine...

Ok, I see what you're talking about. Funny, mine doesn't make much noise-no gurgling at all. Maybe it's because of the diameter of the pipe to gph ratio. My overflow-to-sump pipe is 1" ID.
Forum: Equipment 01-04-2012, 10:55 PM
Replies: 25
Views: 837
Posted By MarkMc
Don't take out your baffles from the sump-that is...

Don't take out your baffles from the sump-that is where you can put the floss or bags of plastic bio-media.
Forum: Equipment 01-04-2012, 10:58 AM
Replies: 25
Views: 837
Posted By MarkMc
I have a wet/dry filter with CO2 but the sump is...

I have a wet/dry filter with CO2 but the sump is covered along with the outside overflow box. If you cover it tightly it cuts the co2 loss down considerably. You have what you need already (except...
Forum: Equipment 01-03-2012, 09:39 PM
Replies: 40
Views: 1,402
Posted By MarkMc
Could you elaborate. I'm confused. If you want to...

Could you elaborate. I'm confused. If you want to quiet it down then cover the top of the back box -that makes a very large difference as will covering your sump.
Forum: Equipment 01-01-2012, 10:56 PM
Replies: 46
Views: 4,204
Posted By MarkMc
I'd highly recommend the sump set up with the...

I'd highly recommend the sump set up with the bottom hole with the built in plexiglass corner overflow chamber. The potential for a flood imo is small with a sump- just drill a small hole in the...
Forum: Equipment 01-01-2012, 01:32 AM
Replies: 40
Views: 1,402
Posted By MarkMc
Reefers run sump setups that turn over huge...

Reefers run sump setups that turn over huge amounts of water using the overflow boxes. It's a simple design and it works-I've had one on my 55g for over 15 years that is homemade. Here are a couple...
Forum: Equipment 12-28-2011, 12:09 AM
Replies: 7
Views: 358
Posted By MarkMc
Another thought, what if the overflow tubes get...

Another thought, what if the overflow tubes get restricted by debris?
Forum: Equipment 12-28-2011, 12:06 AM
Replies: 7
Views: 358
Posted By MarkMc
An inside the tank overflow intake box will keep...

An inside the tank overflow intake box will keep the level of the tank constant "always" and restrict fish from leaving the tank. If you don't have something to prevent it, fish will (if they can...
Forum: Equipment 12-25-2011, 01:11 PM
Replies: 7
Views: 358
Posted By MarkMc
It's best if you have a small container in the...

It's best if you have a small container in the tank with the pipes in it like a siphon overflow used in reef tanks. Is that how this one will work?
Forum: Fertilizers and Water Parameters 06-29-2011, 08:16 PM
Replies: 14
Views: 840
Posted By MarkMc
You'll never be able to turn down the bubble rate...

You'll never be able to turn down the bubble rate to 1-2 bps with 150 w of T5HO lighting over a 75 gallon tank no matter how efficient the reactor is.
Forum: Fertilizers and Water Parameters 06-29-2011, 02:10 AM
Replies: 14
Views: 840
Posted By MarkMc
A inline reactor would be more efficient. Sounds...

A inline reactor would be more efficient. Sounds to me that 4 bps is not enough for 150 watts of T5HO lighting. If you are running it on a timer you'd want to see at least a .5 drop in pH from...
Forum: Fertilizers and Water Parameters 06-22-2011, 11:58 AM
Replies: 7
Views: 1,108
Posted By MarkMc
After you get your kh and gh where you like it...

After you get your kh and gh where you like it get ready to fix the light/CO2 situation because you are going to have way more light than you need at 2 bps CO2.
Forum: Fertilizers and Water Parameters 06-22-2011, 11:53 AM
Replies: 16
Views: 1,583
Posted By MarkMc
Not so sure that you want to used softened water....

Not so sure that you want to used softened water. That adds sodium into the water if I'm not mistaken. Sodium will kill your plants.
Forum: Fertilizers and Water Parameters 05-19-2011, 11:14 AM
Replies: 32
Views: 1,696
Posted By MarkMc
Ok, by balance or ratio I don't mean a...

Ok, by balance or ratio I don't mean a mathematical equation I just mean more CO2 than needed in all parts of the tank. Sorry if I confused anybody.
Forum: Fertilizers and Water Parameters 05-18-2011, 11:10 AM
Replies: 32
Views: 1,696
Posted By MarkMc
Hoppy said: "We should probably stop thinking...

Hoppy said: "We should probably stop thinking about "balance" and think instead of supplying non-limiting nutrients, including carbon (CO2) for whatever light intensity we have." By "balance" I don't...
Forum: Fertilizers and Water Parameters 05-18-2011, 02:50 AM
Replies: 32
Views: 1,696
Posted By MarkMc
"If the the light is very high and the plant mass...

"If the the light is very high and the plant mass is very small what is a good co2 ratio?" It's unlikely that there is a good ratio that can be attained safely. It sounds like a good way to grow...
Forum: Fertilizers and Water Parameters 05-17-2011, 09:34 PM
Replies: 32
Views: 1,696
Posted By MarkMc
Using Excel to kill algae on a regular basis...

Using Excel to kill algae on a regular basis means you have an imbalance of light/CO2. If you work on finding that balance and are successful you don't have algae issues. Your question is a paradox:...
Forum: Fertilizers and Water Parameters 05-17-2011, 01:38 AM
Replies: 32
Views: 1,696
Posted By MarkMc
Buy dry fertilizers from any of the several...

Buy dry fertilizers from any of the several on-line vendors. You'll need potassium nitrate and mono potassium phosphate along with a trace mix (CSM-B) some chelated iron, possibly some epsom salts...
Forum: Fertilizers and Water Parameters 05-17-2011, 12:35 AM
Replies: 32
Views: 1,696
Posted By MarkMc
Ok, because we are talking about planted tanks...

Ok, because we are talking about planted tanks that are so different from each other in various parameters much of this talk is subjective. It's largely based on our personal observations. When...
Forum: Fertilizers and Water Parameters 05-15-2011, 03:45 PM
Replies: 32
Views: 1,696
Posted By MarkMc
Even though you have CO2 injection does not mean...

Even though you have CO2 injection does not mean you have enough CO2. The clues are: adding additional carbon (in the form of Excel) improves the situation AND 2x54 T5HO lighting-it's a very bright...
Forum: Fertilizers and Water Parameters 05-10-2011, 11:17 AM
Replies: 4
Views: 750
Posted By MarkMc
Having nitrate at 0 can't be good. I also have a...

Having nitrate at 0 can't be good. I also have a 55 gallon but with 2 T5HO bulbs BUT they are a foot above the top of the tank with glass covers on the tank. I run CO2 pressurized and dose dry ferts...
Forum: Fertilizers and Water Parameters 05-08-2011, 12:52 PM
Replies: 25
Views: 3,176
Posted By MarkMc
You haven't proven anything. High kH (and you've...

You haven't proven anything. High kH (and you've not told us what is the definition of high kH) causes algae. Where is the link? The burden of proof is on you. You made the statement-show the...
Forum: Fertilizers and Water Parameters 05-08-2011, 02:59 AM
Replies: 25
Views: 3,176
Posted By MarkMc
"No, there's also several hydroponic studies as...

"No, there's also several hydroponic studies as well that have produced similar findings. If the nutrients aren't supplied via a medium (in this case, water) where they are available to plants, algae...
Forum: Algae 05-08-2011, 01:13 AM
Replies: 13
Views: 3,128
Posted By MarkMc
Twelve hours is probably 4 hours too long. Your...

Twelve hours is probably 4 hours too long. Your plants need nitrate, potassium and phosphate to grow AND a carbon source (Excel can be that source if you don't want to set up CO2). You are driving...
Showing results 1 to 25 of 250

 
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