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View Full Version : do i need to use fertiliser, should i?



fry_lover
03-04-2008, 10:46 PM
I was just wondering if i actually need to use it or should be using it? I am currently using Seachem Flourish and dose about once every 7-10 days. In the past when i havent had any Seachem Flourish i have gone months without using it. My success with these plants has generally been very good with or without the Flourish.

Stats (including what i think is relevant)

- 48x18x24 (high)
- no added co2
- x3 40W t-8 tubes with reflectors giving about 1.5WPG (US Gallon)
- Play sand substrate
- Ammonia and nitrite always undetectable
- Nitrate in tank between 50-60 mg/l, tap water 20-25 mg/l
- pH about 7.8 and water is "moderately hard" cant remember the KH and GH right now
- Water changes, 30-40% per week
- Fish stock, heavy, small community fish, approx 120 fish totalling approx 150" of fish (about 1.9" per gallon)

Plants (all the easy ones really)
- Onion Plants
- Dwarf Anubias
- Java Fern
- Moss Balls
- Vallis

The tank is definitly heavily planted, no doubt about that, you can really see much of the bottom/substrate put it that way.

Also some other questions

1. Does the high stocking of fish make it less necessary for fertiliser?
2. If i stop using fertiliser would i then run the risk of the plants becoming deficient in Iron?

Any thoughts and tips would be greatly received.

PS - i am not really of the school "if it isn't broken dont fix it" i prefer to be proactive, fine tuning as i go!

smaug
03-05-2008, 03:05 AM
The plants you have are not especially nutrient hungry types.If you are having good results without ferts then dont use them.

Incredulous_Ed
03-05-2008, 08:15 PM
Well go for a onth without ferts, then a month with ferts. Take pics to see the results. If the ferts make a difference, keep using them, and if they dont, then dont.

fry_lover
03-06-2008, 09:48 AM
Well go for a onth without ferts, then a month with ferts. Take pics to see the results. If the ferts make a difference, keep using them, and if they dont, then dont.

yep, sounds reasonable, do an experiment i guess, i dont think it will do them any harm