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Search: Keyword(s): ; Posts Made By: Hoppy
Forum: Lighting Today, 05:58 AM
Replies: 5
Views: 132
Posted By Hoppy
T8 bulbs are an inch in diameter, while T5 bulbs...

T8 bulbs are an inch in diameter, while T5 bulbs are 5/8 inch in diameter. T5HO light fixtures and bulbs are run at a higher power per foot of bulb length than T8 or T5NO bulbs, so they give more...
Forum: Lighting 11-17-2014, 05:22 PM
Replies: 3
Views: 128
Posted By Hoppy
It is both too much light and too long a...

It is both too much light and too long a photoperiod. Eight hours is about as long a photoperiod as you can get by with. And, no more than one bulb should be on at a time.
Forum: Lighting 11-17-2014, 05:36 AM
Replies: 2
Views: 186
Posted By Hoppy
Intensity and photo period are not...

Intensity and photo period are not interchangeable. Plants require an intensity above certain minimum or even 24 hours a day will not let the plants grow. And, a very high intensity can trigger...
Forum: Fertilizers and Water Parameters 11-15-2014, 03:29 AM
Replies: 19
Views: 512
Posted By Hoppy
What is the CaribSea product you are using? I...

What is the CaribSea product you are using? I didn't find any that are called CaribSea sand that were not made with lots of aragonite and/or shell fragments.
Forum: Fertilizers and Water Parameters 11-15-2014, 03:20 AM
Replies: 17
Views: 435
Posted By Hoppy
Over dosing fertilizers does not cause algae. ...

Over dosing fertilizers does not cause algae. Many, if not most of us use the EI fertilizing method, which almost always involves dosing more than the plants use. As long as you are not grossly...
Forum: General Planted Tank Discussion 11-12-2014, 05:45 AM
Replies: 13
Views: 358
Posted By Hoppy
I agree with the others, that you are not dosing...

I agree with the others, that you are not dosing enough NPK, so the plants growth rates are being limited by the availability of basic nutrients. When that is the case you usually see the most...
Forum: Fertilizers and Water Parameters 11-11-2014, 04:10 AM
Replies: 7
Views: 213
Posted By Hoppy
Something is inconsistent with your water...

Something is inconsistent with your water parameters. If your pH is as low as 5.8 you almost certainly have a high CO2 concentration in the water, so a properly set up drop checker should be light...
Forum: Fertilizers and Water Parameters 11-11-2014, 04:02 AM
Replies: 6
Views: 260
Posted By Hoppy
If the pH is high because the KH is high, water...

If the pH is high because the KH is high, water changes using distilled or RO/DI water will lower the pH. Do small changes, a small change each day, and you will slowly lower the pH. If the high KH...
Forum: Fertilizers and Water Parameters 11-11-2014, 03:58 AM
Replies: 19
Views: 509
Posted By Hoppy
The buffer for pH is the combination of carbonic...

The buffer for pH is the combination of carbonic acid from the CO2 in the water and the carbonates (KH) in the water. The pH that this buffer maintains depends on how much KH and how much CO2 is in...
Forum: Fertilizers and Water Parameters 11-11-2014, 03:49 AM
Replies: 4
Views: 173
Posted By Hoppy
It all depends on what you call medium light. ...

It all depends on what you call medium light. Anything more than low light and you are getting into the area where more carbon is needed than the fish/substrate/air can supply. The consequences of...
Forum: General Planted Tank Discussion 11-10-2014, 05:33 AM
Replies: 13
Views: 524
Posted By Hoppy
You have a lot of light! Probably high light, so...

You have a lot of light! Probably high light, so you need to be using pressurized CO2 to keep the plants growing in good health, which is what makes it much easier to keep algae from taking over.
...
Forum: General Planted Tank Discussion 11-10-2014, 05:27 AM
Replies: 3
Views: 149
Posted By Hoppy
The Marineland double bright isn't a very bright...

The Marineland double bright isn't a very bright light, compared to many LED lights. Is the 27 gallon tank a 20" long by 18 inches high tank? If so, that light would give you only 20 PAR or less...
Forum: Equipment 11-08-2014, 08:03 PM
Replies: 10
Views: 445
Posted By Hoppy
That size tank gets you into a whole new type of...

That size tank gets you into a whole new type of equipment setup. You will want something like a venturi system to get the CO2 into the water flowing to the tank, with multiple inlets to the tank. ...
Forum: Fertilizers and Water Parameters 11-08-2014, 04:33 PM
Replies: 3
Views: 138
Posted By Hoppy
All pH test kits use the same pH sensitive dyes. ...

All pH test kits use the same pH sensitive dyes. They are all equally easy/hard to read. You can get a high range pH test kit, which uses one dye, or a low range pH test kit, which uses a different...
Forum: Fertilizers and Water Parameters 11-08-2014, 04:27 PM
Replies: 6
Views: 164
Posted By Hoppy
It is a good idea to do frequent big water...

It is a good idea to do frequent big water changes when first setting up a tank with ADA Aquasoil Amazonia. That substrate can leach a lot of ammonia for a few weeks. You don't need to change...
Forum: General Planted Tank Discussion 11-07-2014, 05:47 PM
Replies: 5
Views: 140
Posted By Hoppy
The well water is safe for the fish, but if you...

The well water is safe for the fish, but if you have a planted tank, you may run into BBA problems from the periodic surge in CO2 content in the water. (With every water change.) If you use Seachem...
Forum: Lighting 11-07-2014, 12:21 AM
Replies: 2
Views: 222
Posted By Hoppy
LED light fixtures are not all alike. Some run...

LED light fixtures are not all alike. Some run at a fixed current, with no adjustment available. Others can have the current adjusted to adjust the amount of light emitted. And, still others have...
Forum: DIY 11-07-2014, 12:06 AM
Replies: 11
Views: 476
Posted By Hoppy
If you build a 4'x8' catch basin under the stand,...

If you build a 4'x8' catch basin under the stand, how do you ensure that the catch basin doesn't leak when you finally need it? Glass tanks are almost 100% safe from leaks, but a wood basin, with a...
Forum: DIY 11-05-2014, 03:30 AM
Replies: 42
Views: 40,495
Posted By Hoppy
It will work reasonably well as long as you have...

It will work reasonably well as long as you have a good idea what angle to use as the optic cone angle, and if you have good data on the lumen output at the current you will be using. The cone angle...
Forum: Plants 11-05-2014, 03:15 AM
Replies: 14
Views: 427
Posted By Hoppy
Not many plants will be in good shape after 9...

Not many plants will be in good shape after 9 days of being in a shipping container. They do fine with 3-4 days, but the longer they are in that container the poorer their condition gets. If the...
Forum: Fertilizers and Water Parameters 11-03-2014, 04:02 PM
Replies: 2
Views: 147
Posted By Hoppy
A 0.6 drop in pH when CO2 is added means you have...

A 0.6 drop in pH when CO2 is added means you have 4 times the ppm of CO2 you started out with. (10 to the .6 power) If you had about 3 ppm of CO2 from the atmosphere you ended up with 12 ppm. For...
Forum: Lighting 11-02-2014, 05:21 AM
Replies: 191
Views: 114,266
Posted By Hoppy
One bulb at about 24 inches should give you about...

One bulb at about 24 inches should give you about 20 PAR. Most of the tank areas will get light from 4 bulbs, so the maximum PAR should be 80. But, the bulbs are separated enough that you won't...
Forum: DIY 11-01-2014, 09:03 PM
Replies: 2
Views: 281
Posted By Hoppy
Wouldn't this just be a wood hood, with very good...

Wouldn't this just be a wood hood, with very good air circulation? Exactly how it would be done would depend on what size tank it was meant to work on.
Forum: DIY 11-01-2014, 09:01 PM
Replies: 42
Views: 40,495
Posted By Hoppy
If I wanted to try this calculator problem again...

If I wanted to try this calculator problem again I would use an empirical approach to get the PAR results for individual LEDs, then use a theoretical approach to get the total PAR for various arrays...
Forum: DIY 11-01-2014, 05:34 AM
Replies: 42
Views: 40,495
Posted By Hoppy
The calculator is based on using white LEDs only,...

The calculator is based on using white LEDs only, and they tend to produce about the same lumens for every version of white. If you add in a lot of red/blue, etc, LEDs the calculator won't give good...
Showing results 1 to 25 of 250

 
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