PLC Controlled Arowana Tank

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arowanaman85

Jack Dempsey
MFK Member
Feb 8, 2016
200
32
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Vandergrift, PA
So originally setup tank for 0 water changes, have pothos growing in sump with a few grow lights, then using pond max, lava rocks, pumice and ceramic media for biological filter. Also have a 2x 100 micron filter socks, and a canister filter running on the sump. Was planning to add purigen to canister but right now just have 500ml sitting in one of the 2x socks.

In addition have plants growing out of overflow. I have been overfeeding for the last 6 months, and only have to top off 1-2 gallons a day from evap and plan growth, i have the tank mostly covered close to 90% so assume most water loss is plant growth. I have had no nitrate, nitrite or ammonia since startup. Have done 1 10% water change since august. Have had great growth on all fish. Chocolate breed every 3 weeks. Arowana has double in last 4 months.

I dose 30Ml of florish every 2-4 days.

Currently in the process of plumbing the sump and adding 5 float switches, 2x in series for lo, 2x in series for high. 5th is hi hi.

Putting in a 3 stage carbon filter for chloramine removal, then a solioid to fill tank. Drilling an overflow on the sump to go into sewer for water changes and in case of a fault in the floats.

Most the plumbing is done, and almost all the code is done on the PLC. Moving lights off mechanical timers to PLC control.

I'll be adding the additional control this week. The pothos has started to grow out of the sump, that is partially covered. Starting to grow up the back of the tank.

Tank is positioned directly in front of a very large window, around 5'x6'.

Tank is 360 Gallon Acrylic. 8'x3'x2'. External overflows. Over flows have plants and tetras and a small pleco forget species in each.

Fish in the tank, not 100%
1x Rainbow Cichlid
5+x Convict
2x Adult Chocolate Cichlid
100x Chocolate Cichlid Fry
1x Fresh Water Groper Austrialian
1x Giant Upside Down Catfish
1x Silver Arowana
1x Common Pleco
1x Oscar
1x Red Tailed Shark
1x Catfish not sure species
10+ Snails
1x Bristle Nose Pleco
1x Bichir
6x Tetras
2x Small Plecos

Will post more pictures as setup develops further over next week.

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PLC Equipment:

Automation Direct
PLC C0-00DD1-D
HMI EA1-S3ML-N

Amazon
Float Switches - B00FHCFEZW
Solenoid - B00VG2AT2K
Relay for Solenoid - 00DN33S3C
Carbon Stage 1-2 - WFPFC8002
Carbon Stage 3 - Hydronix CB-25-1001
Carbon Filter - Pentek 158117

Ebay
Additional Relays - Phoenix 2941154
 
Grow Lights Amazon:

Display grow lights, 2x B00MF7RYNC (12 hours on opposite sump, recently 24 hours)
Sump Grow Lights, 2x B00GNWK2XO (12 hours on opposite sump)
 
Arowana Doing Laps at about the 1' mark, is around 18" + now
 
Float switches are in, acrylic too thick so head to double drill the holes for an offset

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