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Search: Keyword(s): ; Posts Made By: rezco
Forum: General Planted Tank Discussion 09-10-2014, 09:59 PM
Replies: 4
Views: 309
Posted By rezco
Nitrates may not be declining as fast as you...

Nitrates may not be declining as fast as you expect if other nutrients are limiting (light, Co2 and potassium). Bumping those up will increase plant metabolism and reduce your nitrate and phosphate...
Forum: General Planted Tank Discussion 09-03-2014, 03:20 AM
Replies: 14
Views: 427
Posted By rezco
I think the key factor is that you want a very...

I think the key factor is that you want a very low bubble count ( 1 per 10sec is veeery low. Normally most people measure in bubbles per second - generally about 1-3 bps.)

You need a higher...
Forum: Plants 08-17-2014, 03:56 AM
Replies: 21
Views: 795
Posted By rezco
How deep is the tank and how long is the light...

How deep is the tank and how long is the light on? Still may not get be getting enough light.
Forum: Fertilizers and Water Parameters 08-15-2014, 06:32 PM
Replies: 6
Views: 310
Posted By rezco
Its always a good idea to start a new tank in a...

Its always a good idea to start a new tank in a slow and controlled manner. Trying to do too many things at the beginning is unneccessary. There is no harm in holding off on EI dosing for a few weeks...
Forum: Lighting 08-14-2014, 08:22 PM
Replies: 15
Views: 623
Posted By rezco
I am sorry for the contradictory advice. Its just...

I am sorry for the contradictory advice. Its just that different arrangements work for different setups and people.

You just have to try and play around with your lighting and see how your plants...
Forum: Lighting 08-14-2014, 06:50 PM
Replies: 15
Views: 623
Posted By rezco
Probably not enough light intensity. I don't...

Probably not enough light intensity. I don't think the plant color is affected by light spectrum as I have had it turn red with both 5500K CFLs and a 10,000K LED strip. You could try lowering the...
Forum: Fertilizers and Water Parameters 08-14-2014, 12:30 AM
Replies: 6
Views: 310
Posted By rezco
In a newly planted tank with fish (where you are...

In a newly planted tank with fish (where you are also adding fish food) there will be sufficient nutrients for plant growth. I had to wait for several weeks (30-40 weeks) in a plants only tank with...
Forum: Lighting 08-13-2014, 08:19 AM
Replies: 15
Views: 623
Posted By rezco
A bit off topic but I have found Ludwigia to be a...

A bit off topic but I have found Ludwigia to be a reliable indicator of light. If you have just enough light leaves will be bright green, and if you increase light intensity the leaves will take on a...
Forum: General Planted Tank Discussion 07-27-2014, 07:35 AM
Replies: 5
Views: 254
Posted By rezco
Its really only needed if you have problems with...

Its really only needed if you have problems with a bacterial or algae bloom. Otherwise if you tank is healthy and its setup correctly you will not need one.
Forum: Low Tech Forum 07-25-2014, 06:28 AM
Replies: 25
Views: 1,065
Posted By rezco
What???? He already has lights on for only 5...

What???? He already has lights on for only 5 hours. Reducing the photoperiod is going to make it worse. I have successfully dealt with both brown, BBA, and various green algae in my tanks. I played...
Forum: DIY 04-28-2014, 09:54 PM
Replies: 12
Views: 822
Posted By rezco
The principle of CO2 absorption is that the rate...

The principle of CO2 absorption is that the rate is driven by surface area achieved by a thin liquid film on the media. The other factor is that the liquid film should be rapidly replaced (reasonable...
Forum: DIY 04-28-2014, 12:03 AM
Replies: 21
Views: 3,823
Posted By rezco
This would work - provided the water flow rate is...

This would work - provided the water flow rate is 100 gph- I am estimating as in my 4" column I have 400gph,whereas this one is 2" dia tube. Any faster and air bubbles will get pulled downward in the...
Forum: DIY 04-26-2014, 07:09 AM
Replies: 12
Views: 822
Posted By rezco
Try this... smaller quiet design, lower water...

Try this... smaller quiet design, lower water flow and fully saturated CO2 water on the outflow...and self regulating CO2 solenoid, bubble counter not needed.
...
Forum: Algae 04-26-2014, 07:03 AM
Replies: 6
Views: 467
Posted By rezco
I have had the same problem on a 24" high tank....

I have had the same problem on a 24" high tank. The hair algae was starting to grow on glass and driftwood near the top half of the tank. Increasing illumination intensity and reducing the...
Forum: Equipment 04-23-2014, 10:28 PM
Replies: 6
Views: 338
Posted By rezco
Cerges and Rex Griggs are simple bubble trap type...

Cerges and Rex Griggs are simple bubble trap type of devices. They were some of the first attempts to look at an external method for CO2 dissolution and they have been attempted by many hobbyists....
Forum: DIY 04-19-2014, 01:55 AM
Replies: 21
Views: 3,823
Posted By rezco
Yes - that would work. You could use a power head...

Yes - that would work. You could use a power head with venturi fitting on it and connect the CO2 stud the top of the chamber to the venturi air inlet to reinject the CO2. The chamber should have a...
Forum: DIY 04-18-2014, 08:21 AM
Replies: 770
Views: 179,412
Posted By rezco
CO2 reactor -packed column

Well it took a while but here is the plan:
http://www.plantedtank.net/forums/pHosting.php?do=show&type=f&id=56130&title=CO2_reactorc.png

The concept is similar to my build of a large scale bubble...
Forum: Equipment 04-15-2014, 04:04 AM
Replies: 11
Views: 268
Posted By rezco
Just as well since this makes it even more...

Just as well since this makes it even more important to tightly regulate the siphon drain.
Forum: Equipment 04-15-2014, 12:47 AM
Replies: 11
Views: 268
Posted By rezco
It will be difficult to control water flow in the...

It will be difficult to control water flow in the siphon over the rim as you describe because for it to have a meaning full effect it should carry 70% of the total return volume. That requires more...
Forum: Equipment 04-14-2014, 09:31 PM
Replies: 15
Views: 1,308
Posted By rezco
Nice. Please share the BPS count vs CO2 level...

Nice. Please share the BPS count vs CO2 level when its stabilized for a few days.
Forum: Lighting 04-14-2014, 09:06 PM
Replies: 1
Views: 197
Posted By rezco
Why do you want to have complex control of...

Why do you want to have complex control of lights? Plants do not seem to care - just a simple on/off timer works. I am also thinking of going from low tech spiral CFL to LED strips so it would be...
Forum: Equipment 04-14-2014, 08:50 PM
Replies: 11
Views: 268
Posted By rezco
The steadier the flow the less air will be drawn...

The steadier the flow the less air will be drawn in. If you hear a lot of continuous gurgling you may want to adjust the drain hose so as to break any internal siphons that form - on my tank that...
Forum: General Planted Tank Discussion 04-14-2014, 08:21 PM
Replies: 9
Views: 403
Posted By rezco
Can you share the details on the spray head?I am...

Can you share the details on the spray head?I am looking for one for a CO2 reactor based on trickle flow design.
Forum: General Planted Tank Discussion 04-14-2014, 08:19 PM
Replies: 9
Views: 403
Posted By rezco
What are you looking to do with a sump? For...

What are you looking to do with a sump?

For my 200g planted I got a 35g food grade HDPE barrel for $20. Very easy to drill and install bulkheads without the cost of an acrylic tank.

It serves...
Forum: General Planted Tank Discussion 04-14-2014, 08:08 PM
Replies: 9
Views: 403
Posted By rezco
What are you looking to do with a sump? For...

What are you looking to do with a sump?

For my 200g planted I got a 35g food grade HDPE barrel for $20. Very easy to drill and install bulkheads without the cost of an acrylic tank.

It serves...
Showing results 1 to 25 of 147

 
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