Introduce Fertilizers For a Planted Aquarium.
When aquatic plants are growing, they will consume nutrients in the water. These nutrients are group into two categories: Macro-nutrients and Micro-nutrients. Most common mistakes made new beginners is they thought plants die because lack of nutrient. In fact, CO2 and light is MUCH MORE important!

Macro-nutrients
Macro-nutrients are those which plants need in large amount. Macro-nutrients consists of nitrogen (N), Phosphorus (P), and Potassium (K). If you been reading my previous Q&A section, hopefully you already know where does nitrogen comes from. As fish produce ammonia, bio-filter bacteria will convert ammonia to nitrite, and other bio-filter bacteria will convert nitrite to nitrate.
Excess of Phosphorus in aquarium will lead to serious algae problem. So P is not recommended to dose.
Potassium is an important nutrient, so you would most probably gonna dose it.

Micro-nutrients
They include Boron, Calcium, Chloride, Copper, Iron, Magnesium, Manganese, Molybdenum, Sulfur, Zinc. Micro-nutrients are found in small amount in tap water, so in normal condition, it isn’t necessary to dose. But with improved plant growth, these nutrients will be quickly depleted from the water, and plants will suffer.

Warning !
Overdose nutrient kill your life stocks!
Common household fertilizers for garden use contain thousands of unknown ingredients! Unless you know what you are doing, DO NOT add any of these fertilizers to your aquarium.

Fertilizer that i used before:

Thanks for reading!

17 responses »

  1. eman says:

    what do you mean DO NOT add any of these fertilizers to your aquarium. ?? is that fertilizers in that photos ” Fertilizer that i used before: ?” …because i use aista water plant fetilizer same as ur photos …

    • WeiJieTew says:

      Please read carefully.
      “Common household fertilizers for garden use contain thousands of unknown ingredients! Unless you know what you are doing, DO NOT add any of these fertilizers to your aquarium.”
      I saying about Household fertilizers for garden use.

  2. jimmy says:

    I think there is a misconception about P induce algae.

  3. jimmy says:

    Hi WeiJieTew,
    This is one of the many articles regarding algae and P.
    http://www.barrreport.com/showthread.php/62-The-Estimative-Index-of-Dosing-or-No-Need-for-Test-Kits
    Thanks.

    • WeiJieTew says:

      He does mentioned about “with exception of NH4 and urea” how far you test your water?
      Thanks for your information.
      I will edit my page for it.

      • jimmy says:

        Yes sir, NH4/ammonium and CO2 inconsistency is one of the main culprit. Im using EI dosing using dry fert. I dont use test kit. Thats the beauty of it.
        Anyway thank you for replying.

      • WeiJieTew says:

        mind to share about your dosing method?
        EI dosing. can explain more about this? i am sure other hobbyist is very interested to know this too.
        Thanks 🙂

  4. jimmy says:

    No problem sir. Estimative Index (EI) dosing is popularized by Tom Barr. On contrary to the popular belief of limiting certain nutrient for plant growth and limiting algae, EI method floods the water column with all the macro and micro nutrient needed by the plants for any given time since he has tested and concluded that algae is not caused by excess of nutrient except NH4 and urea. By doing this hobbyist would not have to test the nutrient level one by one. Basically, for a high tech tank, macros are dosed 3 times a week and micros are also dosed 3 times a week on alternate days. 1 day rest and WC of 50% water to reset the nutrients every week. For further info, EI method can be found in barrreport. Thank you.

  5. Khairul says:

    Hai weijie can u propose to me what is the budget fertilizers ( NOT ADA PRODUCT ) that i can used for my aqua plant. Before this i used JBL product. It is the Borneo Wild product is ok? Can we inform me what type that i need for daily and when the time i doing the cleaning prcs. I need your advice if u have any product that want to propose to me? Incld the price . Thanx YOU

    • WeiJieTew says:

      Hi Khairul,
      what is the plants you having now?
      basically, liquid ferts are not that efficient compare to ADA multi bottom.
      I am selling BW liquid ferts at Rm50 for each bottle (500ml). Essence K is daily ferts, while you use with lush/vivid for alternate days.

  6. khairul says:

    hai.thnx for ur cmmnt. my plant is hc.riccia and anbs. it is I need 3 type of fertz.?can advce me. thnx

    • WeiJieTew says:

      Hi Khairul,
      most important is HC. Riccia and anubs doesnt required much nutrient. you need essence k and vivid. if possible, multi bottom from ADA is best to supply nutrient for your HC. you can do spot treatment with multi bottom since they comes in stick form. each stick Rm4.

  7. khairul says:

    hai..wht u mean by the stick.I’m not clear with that. can u email me the item n amount for fertzlr. and incldg the stick. if the prce all ok.I will make tsction pyment to you asap. and I will pick up at ur place. tqsm.

  8. Khairul says:

    Hai Fren

    Im already back to KL. When we can meet?

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