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Automated Water Changes and Salinity Maintenance

Equipment Required: GHL Computer Controller 2 x Dosing Pumps 2 x Level Controller Conductivity Probe 2 Containers Step 1 :: Setup the Timer For some reason you can only add 8 entries to a given Timer so I have gone for 8 entries of 15 minutes through the day (I believe 15 minutes is the maximum time you should run a dosing unit for). Step 2 :: Setup the Level I use Level 1 for my auto top-up, and this is placed in the last chamber of the sump. Level 3 has been added to the top of the water out container to stop it overflowing. Step 3 :: Setup Programmable Logic Logic G1 is true when the timer is active and the water out container is not full. Logic G4 is true when G1 is true and the Auto Top Off is … Read entire article »

Filed under: 600ltr Mixed Reef

The 100 Years War against the Algae continues

I have gone against some more of my founding principles. I call it Live and Learn. I now have 7 Scarlet Legged Hermits (Paguristes cadenati) in residence. Never wanted non commensals but I have had crabs in a FOWLR many moons ago and they didn’t cause any issues so I’ll play this by ear. Not only that but also 5 Electric Blues (Calcinus elegans). These are a little more in the terror department if they don’t have everything their own way but again I’ll be keeping a close eye. One worrying thing was I got a an imposter: Thanks to some detective work I think it is an Clibanarius eurysternus. I have also got an auto water change system moving 35 litres in and out a week. Once my coral stock is in and eating … Read entire article »

Filed under: 600ltr Mixed Reef