Isaac

huh, i just realized i havnt carbon dosed since i started the scrubber.  42 day delayed reaction there isaac. lol

I decided to add one more cube of food a day, since the nitrates are at the low end i want now.

phosphate 0.15... up from 0.14 (3/7) (eh... w/in margin of error)
nitrates down to 10-15ish... down from 20 (3/7)

https://www.thingiverse.com/thing:518748

animation has hit 10mb, i guess i'll be animating every-other day now.

I'm also seeing less "slime" buildup and floating in the water, so i might not clean it this weekend if this stays true.  I was only cleaning it frequently before due to the amount of slime at water level.

3 hours ago, jolt said:

I'd say it's working now.  I have to clean mine every two weeks

yup, i was gonna switch to every 2 weeks once the cyano stops and its just GHA

output seems to have doubled.  last cleaning was 2 weeks worth, this time was 1 week... same amount.

Gifs getting big! That’s an awesome harvest! Any noticeable affects in the display?
 
 
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phosphate 0.14...down 0.05 since 2/16
nitrates still at 20

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2 minutes ago, Gig 'em @ NDstructible said:

I feel like solenoids get stuck open rather than closed? I could be wrong, but that's what I've seen in the field.

depends if they are NO or NC.  the "stuck" refers to the opposite of the "natural."  co2 dosers are NC, energizing it goes NO.  i've seen relays go either way, due to heat or the arching causing a welding/fuse of the contactor.

1 hour ago, FarmerTy said:

Why do you have to go around making logical sense on this board. This is a place of no logic!

damn, i forgot.

1 hour ago, FarmerTy said:

I'll see what I can do. The solenoid hasn't failed me yet in roughly 2 years now so I might just keep riding it out.

or its just stuck open... the solenoid feel hot? pull the power to test it sometimes?

1 hour ago, FarmerTy said:

My old method of cycling on and off with pH killed my solenoids every 1.5 or less years.

yea, why my apex has a defer on it... i have a max-cycle amount w/ that in place.

3 hours ago, Robb in Austin said:

for now.

its like be breeds them!

one problem w/ leaving the co2 solenoid on all the time, and only setting it up by bubblecount.... that solenoid was not designed to stay on ALL the time and will burn out.  yes, its true having it cycle on and off will ALSO burn out the contacts.  a balance has to be found somewhere in between.... cycle it less, give it time to cool off, adjust bubblecount & efluent to cover the "off" time.  there is no real "right" way to do this, just the best way that particular tank seems to like... and the person maintaining it.