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Chaeto Growth with Kessil H380

Sharing some progress on my Chaeto growth. This picture shows 6 weeks for growth with my Kessil H380. The sump on the LEFT (edited) is how my Chaeto had been for months: not really growing. In the past, I had good growth with a 12W Home Depot Daylight LED floodlight, but last year it stopped growing. My Nitrates were at about 40ppm. I upgraded to the small 9W Innovative Marine ChaetoMax Refugium LED (seen in left sump at top right). After 4 or 5 months and dosing some iron and iodine, this did nothing to improve my Chaeto. I then dropped $300 on the Kessil H380. After 6 weeks, I need to remove some Chaeto. Not only is the refugium completely full of Chaeto, but the Chaeto is thick and has a great green color.
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Great job, I believe BRS did a chaeto grow test with various lights including the Kessil 1200 (?) basically 4 380s together. And yeah better light = much better growth. That said you dropped 20ppm over about a month and a half including all the nitrates you were putting into your system, I think that's pretty good wait another month and a half and see where you're at. Hopefully you don't get to a point where too low and it has detrimental effects.
 
You will probably get to a point where it's capable of removing more nutrients than you're putting in. At that point, lower your light cycle on the fuge.

I use a $60 led I got from Amazon and it works amazing. Advertised as 200w (because it has a pair of 100w pucks) but is only pulling 100w through the apex. It's a lot bigger unit that the kessil and is an on/off light but I throw out half a gallon of chaeto a week.
 
You will probably get to a point where it's capable of removing more nutrients than you're putting in. At that point, lower your light cycle on the fuge.

I use a $60 led I got from Amazon and it works amazing. Advertised as 200w (because it has a pair of 100w pucks) but is only pulling 100w through the apex. It's a lot bigger unit that the kessil and is an on/off light but I throw out half a gallon of chaeto a week.
Yeah lessening the light schedule or harvesting more, more often will work too.
 
You will probably get to a point where it's capable of removing more nutrients than you're putting in. At that point, lower your light cycle on the fuge.

I use a $60 led I got from Amazon and it works amazing. Advertised as 200w (because it has a pair of 100w pucks) but is only pulling 100w through the apex. It's a lot bigger unit that the kessil and is an on/off light but I throw out half a gallon of chaeto a week.
Card to share what light that is? My current grow light doesn’t seem to be doing the job.


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