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Search: Keyword(s): ; Posts Made By: DaveK
Forum: Equipment   05-25-2017, 01:58 PM
Replies: 9
Views: 222
Posted By DaveK
What determines the amount of flow through an air...

What determines the amount of flow through an air driven filter is the length of the tube. On a hang on back filter, this is usually limited to a few inches. On a sponge filter or box filter you can...
Forum: Equipment   05-25-2017, 01:51 PM
Replies: 9
Views: 222
Posted By DaveK
Being old enough to have actually used products...

Being old enough to have actually used products like this, I'd say get it if you want a part of aquarium history and an interesting conversation piece. By today's standards they are about worthless...
Forum: Equipment   05-24-2017, 07:19 AM
Replies: 22
Views: 857
Posted By DaveK
I have to admit that when I saw the title, I...

I have to admit that when I saw the title, I figured someone didn't set up the RO unit correctly, but after reading your post, it sure looks like you set it up correctly and you ran into problems...
Forum: Equipment   05-24-2017, 12:04 AM
Replies: 7
Views: 246
Posted By DaveK
A product, even new in the box, is something I...

A product, even new in the box, is something I would consider used, if I was buying it from an individual. Te Eheim missing the impeller is still something that I would consider broken, since there...
Forum: Equipment   05-23-2017, 11:53 PM
Replies: 12
Views: 342
Posted By DaveK
Since you have a background in this area, you...

Since you have a background in this area, you should be able to get it to work, but consider these factors before you get involved in it.

You are going to need to build, maintain, and support it...
Forum: Equipment   05-23-2017, 11:33 AM
Replies: 12
Views: 342
Posted By DaveK
I've never tried a controller on my planted tank,...

I've never tried a controller on my planted tank, but have tried them on my reef a couple of times.

I've got to give you a lot of credit, at least you know what you want to control before you...
Forum: Equipment   05-23-2017, 11:04 AM
Replies: 7
Views: 246
Posted By DaveK
Used equipment usually has very little value....

Used equipment usually has very little value. Something that is broken has almost no value. This is why you often see large systems that were very expensive when new go for next to nothing used.
...
Forum: Equipment   05-22-2017, 11:08 PM
Replies: 2
Views: 131
Posted By DaveK
Do some checking on where the pumps are actually...

Do some checking on where the pumps are actually made. Almost all of them are made in China, even though the selling company is located someplace else. The big difference is in the controls you get...
Forum: Equipment   05-20-2017, 12:22 PM
Replies: 1
Views: 113
Posted By DaveK
If I'm understanding you correctly, you want to...

If I'm understanding you correctly, you want to be able to siphon water from one tank to the other, and the tanks are at different heights.

If this is correct, your going to need to make or buy...
Forum: Fertilizers and Water Parameters   05-20-2017, 11:56 AM
Replies: 5
Views: 210
Posted By DaveK
Something that should be pointed out is that RO...

Something that should be pointed out is that RO water has very little mineral content, ie no buffers. This means that it's not going to effect the pH of your tank very much. This is why you tank...
Forum: Fertilizers and Water Parameters   05-20-2017, 11:42 AM
Replies: 7
Views: 271
Posted By DaveK
I don't think your water is bad at all. I use...

I don't think your water is bad at all. I use RO/DI water and mix that up to 4 dkh and 4 dgh, which is very soft. Your only about double that. You should be fine for most typical fish and plants. Of...
Forum: General Planted Tank Discussion   05-20-2017, 11:38 AM
Replies: 6
Views: 370
Posted By DaveK
When you say large, what size tank do you have in...

When you say large, what size tank do you have in mind? There is a big difference between building someting that is 50 gal verses something 300 gal.
Forum: General Planted Tank Discussion   05-20-2017, 11:35 AM
Replies: 8
Views: 295
Posted By DaveK
Your tank woeks out to about 20 gal, and the...

Your tank woeks out to about 20 gal, and the Eheim 2217-37 can pump at about 102 gph, so your filter is sized correctly. However, you still might find yourself wanting additional circulation. A lot...
Forum: Lighting   05-18-2017, 01:59 AM
Replies: 6
Views: 254
Posted By DaveK
Yes, glass covers do block and reflect some...

Yes, glass covers do block and reflect some light. This usually is not a major issue unless you fail to keep the cover clean.
Forum: Equipment   05-14-2017, 10:14 AM
Replies: 5
Views: 176
Posted By DaveK
You can go with a single powerhead, but you would...

You can go with a single powerhead, but you would tend to get massive flow on one end and much lower flow on the other. With a 6 foot tank, I think you'd be much better off using 2 smaller...
Forum: Equipment   05-13-2017, 09:15 PM
Replies: 2
Views: 134
Posted By DaveK
Traditionally books and such would tell you that...

Traditionally books and such would tell you that you want about 5 watts per gallon, or a 50w heater for a 10 gal tank. Even this is lots more than you need unless your keepoing the tank in a cold...
Forum: General Planted Tank Discussion   05-13-2017, 09:10 PM
Replies: 7
Views: 229
Posted By DaveK
Personally, I'd tear the tank down. No matter...

Personally, I'd tear the tank down. No matter what you do, the substrata is going to shift all around durring a move and really make a mess of things.

If you have the space and money, this might...
Forum: Fertilizers and Water Parameters   05-13-2017, 09:04 PM
Replies: 9
Views: 319
Posted By DaveK
If I were going to use seachem safe to treat a...

If I were going to use seachem safe to treat a volume of water much less that 300 gal, I'd pick up a gallon of distilled water and use it to dilute the seachem safe. This would give you a solution...
Forum: Algae   05-13-2017, 05:15 AM
Replies: 8
Views: 432
Posted By DaveK
You have a large tank, and what seems to be a...

You have a large tank, and what seems to be a green water problem. In addition to adding a FW clean up crew of fish and shrimp, and cutting back on the light, here are some additional options.

Get...
Forum: General Planted Tank Discussion   05-11-2017, 10:27 PM
Replies: 29
Views: 739
Posted By DaveK
One additional thought about keeping nano tanks...

One additional thought about keeping nano tanks in your dorm room. Avoid any expensive or not easily replaced livestock. It's not unusual for your "friends", and I use the term loosely, to put stuff...
Forum: Equipment   05-11-2017, 02:07 AM
Replies: 19
Views: 838
Posted By DaveK
When your trying to do a tank on a budget, you...

When your trying to do a tank on a budget, you need to make a lot of compromises on the equipment used. On a budget, you need to choose gear that is the most cost effective. Rimless tanks, ADA...
Forum: General Planted Tank Discussion   05-11-2017, 01:30 AM
Replies: 29
Views: 739
Posted By DaveK
If I may make a couple of suggestions... ...

If I may make a couple of suggestions...

Don't set up a tank for you parents unless they really want the tank and know what goes into maintaining it. Don't have them keeping what is, in effect,...
Forum: General Planted Tank Discussion   05-10-2017, 10:16 AM
Replies: 22
Views: 797
Posted By DaveK
Some people have used polycarbonate plastic,...

Some people have used polycarbonate plastic, since it doesn't tend to warp as bad as acrylic. Other than that, it's similar to acrylic.

I have also heard of people using mesh screens as covers,...
Forum: Equipment   05-09-2017, 01:53 AM
Replies: 22
Views: 455
Posted By DaveK
I saw this in my own tank. I don't have an...

I saw this in my own tank. I don't have an article to link to. I am sure it was not a leaking venturi because it didn't do it when placed in regular water. Also, because I didn't have the problem...
Forum: Equipment   05-08-2017, 06:29 PM
Replies: 22
Views: 455
Posted By DaveK
Just about any of the flow type powerheads such...

Just about any of the flow type powerheads such as the Hydor evo 550-600 will work just fine. The brand doesn't make too much difference, except that some will have additional features.

The AC 70...
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