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Old 07-29-2006, 11:13 AM   #1
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Nitrates dropping... berlin filtration begins!

After turning off my HOB in favor of berlin filtering, my nitrates have begun to drop.

I was in the 10-20PPM, leaning towards 20 yesterday.

This morning, ammonia and nitrites still zero, but nitrates are in the 5-10 range, without a PWC! I've tested it twice now to be sure.

Honestly, the AP tests are hard to read from 0 to 5 to 10, it could even be in the 0 to 5 range. I may reduce the sample by half and retest (expecting doubled results).

The design of the emperor 400's allows food and stuff to settle in the back/bottom. Lots of it. Adding a filter pad or sponge to the intake cuts the amount of flow going through the filter so much it loses effectiveness.

I've actually removed the filter now, and added a PH in its place. I think I'm going to need another PH though, not enough surface disturbance to keep O2 levels up. That's one thing the old HOB was good for, it created a nice wave, almost a foot across.

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Old 07-30-2006, 09:50 PM   #2
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Congrats on the nitrates dropping. I use the Berlin method and I love it. Zero nitrates for a year or so.

- Mike
125 gal. reef w sump/refugium & 8-bulb 640w T5's
45 gal fresh w/plants + CPF lighting
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Old 07-30-2006, 10:43 PM   #3
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They're still from 5-10, but that's a nice drop from a 10-20, without a PWC. No increases at all in nitrates anymore, so I'm hoping I can eliminate it altogether with PWC's.

Next PWC I should be to get them close to 5 or below, and after another, down even lower.

They've been really stable for quite awhile, I've neglected going a PWC for a couple weeks because I've always based the need for PWC on nitrates.

Now I'm just going to put it on my schedule.
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filtration, nitrates

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