Algae on plant leaves, harmful to plant?
So, I've got some brown algae growing in my tank right now. I'm not really worried about how it looks but it's growing pretty thick on my Argentine Sword leaves. Is this harmful to the plant? Will the algae keep the leaves from getting enough light? I can pretty easily rub the algae off with a soft sponge so it's not a big deal for me to keep the leaves clean. If it's not a big deal then I'll just leave it...hehe:-D.
the tank is 3 months old
nitrate= less than 5.0 ppm all the time it seems
5 lampeye tetra
1 serpae tetra
3 albino cory cat
1 golden mystery snail
Brown algae (actually diatoms) is common in relatively new tanks, and 3 months may still be "new" for this. Keep it off the leaves as best you can. Once the tank is settled biologically it should dissipate and not return. But if left unchecked, yes, it will continue to build up and the leaf may well die.
Are you using any fertilizer? And what is the light, type and period on?
1 T8 8,000k 15w. I added another 15w T8 6,700k that was full spectrum and that's when I started getting super fast algae growth, so I just use the first one now. It's lower light that's "bluer". I generally keep it on from 8 to 12 hours a day depending on my work schedule. Planning on getting a timer soon.
occasionally use API leaf zone in very small amounts not even once a week.
You have both these lights running same times? Over what size tank is that?
As Byron said earlier Brown algae is superst common in new planted set ups and once you tank balances out this will automatically subside. So I wouldn't worry too much about it. I'd just make sure you have the right amount of light there over you tank (hence my question lol) and run that 10hrs day, use a timer to regulate it super easily and done.
Do you have good plant growth as it is (eg stem plants about ~1" per week) or rather not so great plant growth?
okay... I have one fixture with one light over the tank right now, the 8000k 15w T8. I have in my possession another fixture with a 6700k 15w full spec T8. it says on the box-960 Lumen, 7500h and 95 LUX. I had this over my tank in addition to the first one. That's when I noticed the algae growing really fast so I removed the 6700k. The plants are growing good right now but the were really exploding when I had both lights on. tank size is 10 gallons by the way. which light should i be using?
The 960 lumens on a standard 10g sized tank equals 7680 lux which is plenty fine right there as most aquatic plants will require between 300 and 6,000 lux dep on exact plants you have there. So that's what I'd use was this my tank, or maybe a lil less actually.
Either case you go: You have to balance the light with the nutrition provided if you run a high light set up (using both named bulbs qualifies for this IMO) then you really need to add a good comprehensive liquid fert (or root fert dep on what plants you have there) to balance these high lights 1-2 x week dosed.
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