I was talking with the gentleman who sold me some low light plants and asked him about fertilizing he told me that I should pretty much just use seachem fourish, the nitrogen and phosate will come from the fish and the food and should be plenty for the plants.
Then I see alot of people talking about the pfertz products and I'm wondering if I should get these products but they are mostly just nitrogen and phosate which is (according to the plant guy) already provided by my fish and the food that they eat.
what do you guys think about this, any input is greatly appreciated.
Re: fertilizer question
The gentleman is correct. I use daily half-doses of Flourish and that's it. The substrate and fish take care of everything else, and have had outstanding plant growth for many, many years.
I use Pfertz liquid fertilzers in my tanks. These are used with tabs place in the substrate with some of my root feeding hogs such as my Amazon swords and such. I have found that this combination is quite successful.
Pfertz is also a sponsor on the forum. Give them a try. They are very user friendly and no measuring is required. Dosing is a non-issue as they are in squirt bottles. Refills are also available. Alex and his group have done an excellent job and are quite friendly and easy to deal with. Service is next to none.
All of this is assuming you have low to medium low light levels. Anything about medium low and things change quickly.
When I had low light and I had nutrients hog plants like a red melon sword and Crypt Wendtii I had to dose everything just to get them to grow more than 1 inch a month. This was with 15 watts over a 10 gallon tank. Once I started dosing the sword litterally grew out of the tank and the Wendtii took over 1/2 of the other one. Then I switched to higher light and had to remove them because they took the tanks over.
It is simple, watch for plant deficiencies or stunted growth and go from there. From what I have experienced, there is nothing that helps plants grow faster than dosed fertilizers.
You may never have to or want to dose anything but micors. It is really up to you and how much testing, dosing and additional work you want to do in order to grow your plants.
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