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Forum: Fertilizers and Water Parameters   Today, 05:48 AM
Replies: 139
Views: 4,645
Posted By Hoppy
Some years ago, after buying a Apogee PAR meter,...

Some years ago, after buying a Apogee PAR meter, Tom B. took the meter to San Francisco to the authorized ADA dealer there, and measured the light intensity at the substrate of their display tanks,...
Forum: Fertilizers and Water Parameters   Today, 01:40 AM
Replies: 179
Views: 10,021
Posted By Hoppy
Since I can't determine anything about what my...

Since I can't determine anything about what my starting point is for nutrients, or how much of what the plants can get from the substrate, water, and fish/food, I decided to restart my tank with a...
Forum: Fertilizers and Water Parameters   Yesterday, 09:19 PM
Replies: 179
Views: 10,021
Posted By Hoppy
So, if I understand this correctly, you suggest...

So, if I understand this correctly, you suggest that we first determine how much of each nutrient is provided by our tap water, then by our substrate, then by the typical feeding we do. How do you...
Forum: Fertilizers and Water Parameters   Yesterday, 05:46 AM
Replies: 179
Views: 10,021
Posted By Hoppy
We know that aquatic plants are very flexible...

We know that aquatic plants are very flexible about what conditions they can grow in. Some, like vals, gain an evolutionary leg up by being able to grow well with low CO2, but relatively high...
Forum: Fertilizers and Water Parameters   Yesterday, 03:14 AM
Replies: 179
Views: 10,021
Posted By Hoppy
Vals, and a few other plants do use carbonates as...

Vals, and a few other plants do use carbonates as a source of carbon. The buffer system you refer to is made up of two constituents, as are all other buffer systems, carbonic acid (H2CO3) and a...
Forum: Fertilizers and Water Parameters   02-06-2016, 09:02 PM
Replies: 179
Views: 10,021
Posted By Hoppy
I think you have made a good point in suggesting...

I think you have made a good point in suggesting that we not overdose so much. But, we hobbyists need a "system" to follow when fertilizing, because there are few of us who can read all of this, and...
Forum: Fertilizers and Water Parameters   02-06-2016, 08:50 PM
Replies: 11
Views: 231
Posted By Hoppy
I would dose at 2 ml per 10 gallons, 1 ml for the...

I would dose at 2 ml per 10 gallons, 1 ml for the 5 gal, .5 ml for the 2.5 gal. I know it won't harm the fish at that rate. Remember, Seachem would have you dose more than twice that much for the...
Forum: Fertilizers and Water Parameters   02-06-2016, 05:44 PM
Replies: 1
Views: 77
Posted By Hoppy
No. Fertilizer for terrestrial plants isn't the...

No. Fertilizer for terrestrial plants isn't the same as for aquatic plants. It is so easy to dose the right stuff for aquatic plants, so why dump other stuff in the water?
Forum: Fertilizers and Water Parameters   02-06-2016, 05:39 PM
Replies: 4
Views: 171
Posted By Hoppy
Excel does make a very noticeable difference even...

Excel does make a very noticeable difference even with low light tanks. I also found that missing doses of Excel did lead to some small BBA algae attacks. Nothing like when you miss having CO2 at...
Forum: Fertilizers and Water Parameters   02-06-2016, 05:37 AM
Replies: 4
Views: 171
Posted By Hoppy
Excel lasts in effective amounts about 24 hours...

Excel lasts in effective amounts about 24 hours in the aquarium. You need to dose it daily if you want it to be a carbon source for the plants. If you just want to kill off some algae it doesn't...
Forum: Fertilizers and Water Parameters   02-06-2016, 05:35 AM
Replies: 18
Views: 295
Posted By Hoppy
No, aquarium water, with a KH above 1, and...

No, aquarium water, with a KH above 1, and atmospheric CO2 dissolved in it will buffer against changes in pH.

I suspect the water company is adding lye or something similar to raise the pH to...
Forum: Low Tech Forum   02-05-2016, 09:41 PM
Replies: 4
Views: 179
Posted By Hoppy
I would dose the Flourish more often, every other...

I would dose the Flourish more often, every other day, for example.
Forum: General Planted Tank Discussion   02-05-2016, 09:36 PM
Replies: 3
Views: 147
Posted By Hoppy
The answer depends a lot on what plants you are...

The answer depends a lot on what plants you are referring to. Anubias and ferns are going to react differently from how HC and most reddish plants react. Once you settle on a light intensity you...
Forum: Fertilizers and Water Parameters   02-05-2016, 09:00 PM
Replies: 179
Views: 10,021
Posted By Hoppy
I missed following this experiment when it...

I missed following this experiment when it started, due to health issues, so I'm late to the party. I read a lot of the posts, but didn't see any mention of Liebig's law of the minimum. (I may have...
Forum: Fertilizers and Water Parameters   02-05-2016, 08:24 PM
Replies: 29
Views: 811
Posted By Hoppy
As long as the plants continue to do well you...

As long as the plants continue to do well you will not have reduced the dosing too much. The experts all preach using the plants as the indicator for determining if you are doing something wrong. ...
Forum: Fertilizers and Water Parameters   02-05-2016, 08:19 PM
Replies: 139
Views: 4,645
Posted By Hoppy
If you change 33% of the water, the build-up is...

If you change 33% of the water, the build-up is limited to 3x the total doses between water changes. 25% limits it to 4x the total doses.
Forum: DIY   02-05-2016, 05:36 PM
Replies: 63
Views: 2,426
Posted By Hoppy
That would be a very good test to do, including...

That would be a very good test to do, including how long it takes to generate that CO2.
Forum: Fertilizers and Water Parameters   02-05-2016, 05:29 PM
Replies: 139
Views: 4,645
Posted By Hoppy
EI method 50% water changes don't keep the level...

EI method 50% water changes don't keep the level of nutrients constant, they do limit the maximum level to twice the total that is dosed between water changes. So, if we know that X ppm of nitrate...
Forum: Low Tech Forum   02-05-2016, 05:24 PM
Replies: 4
Views: 179
Posted By Hoppy
It isn't unusual for an anubias leaf to turn...

It isn't unusual for an anubias leaf to turn yellow like that soon after you plant it. Just remove the leaf, and wait for the plant to wake up and decide to grow another leaf. They do grow slowly.
Forum: DIY   02-05-2016, 05:45 AM
Replies: 32
Views: 1,173
Posted By Hoppy
The cabinet looks good! One option to staining...

The cabinet looks good! One option to staining is using dye. See:Buy Homestead Transfast Dye Powder, Medium Walnut at Woodcraft.com...
Forum: DIY   02-05-2016, 05:35 AM
Replies: 17
Views: 507
Posted By Hoppy
All wood shrinks and expands as the air humidity...

All wood shrinks and expands as the air humidity changes, especially seasonal changes. I have seen several DIY furniture (made by my dad) where cracks opened up over several years when two pieces of...
Forum: DIY   02-05-2016, 02:50 AM
Replies: 63
Views: 2,426
Posted By Hoppy
How much does the CO2 concentration vary from one...

How much does the CO2 concentration vary from one area of the tank to another? Is it lower at the water surface or at the bottom? How does surface ripple change this?
Forum: DIY   02-05-2016, 02:46 AM
Replies: 17
Views: 507
Posted By Hoppy
One problem that always has to be considered when...

One problem that always has to be considered when you use solid wood to build something like this is wood shrinkage and expansion. Wood shrinks more across the grain than with the grain. For small...
Forum: Fertilizers and Water Parameters   02-05-2016, 02:31 AM
Replies: 139
Views: 4,645
Posted By Hoppy
My answer would be no, because it should be...

My answer would be no, because it should be possible to adjust the dosage and frequency of dosing, plus the frequency and amount of water change to eliminate the consequences. That is why I was...
Forum: Fertilizers and Water Parameters   02-04-2016, 11:45 PM
Replies: 139
Views: 4,645
Posted By Hoppy
We shouldn't care about the efficiency of the...

We shouldn't care about the efficiency of the fertilizing, just about how to get the plant growth we want, without also getting a toxic concentration of nutrients in the water. I'm looking at the...
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