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“Your only issue will be making it as live as "live" rock” – But it is possible…..
“Starting a reef tank with dry rock means you have a serious lack of bio diversity” Would the contents from a 46L Fluval edge help (1 year old).
“You’ll be able to turn the rock into a suitable filter just by adding ammonia” This will happen over time – Yes?
making live rock is easy...find a pourous rock ( ie marco rock) add water, add salt, add 26 degrees of temperature and add ammonia. Add ammonia little by little until you get a reading on your ammonia test kit. Add slippers, add armchair and add cigar. ( dont add the cigar if you dont smoke, dont start smoking on my account. It does nothing for your aquarium and apparently its bad for you)
The ammonia in the water will be oxidised by little fellas called nitrosomas they eat ammonia and oxygen and **** out nitrite. With nitrite present along come nitrobacter and eat the nitrate and water and **** out nitrate. Lastly with nitrate in the water along come denitrifying bacteria ( I cant remember their name) and they use oygen and nitrate as an engery source and **** out nitrogen gas.
You'll be on your 50th cigar by this time and your ass will be numb from being sat in your armchair for 4-6 weeks but you'll have "live" rock
Adding the contents of your 46l fluval edge will help...but I doubt it will add much biodiversity. To give an example of what I mean...I used dry rock in my system, not really out of choice nor wanting to avoid the plague of nasties abundant in live rock ( im being sarcastic ) I had a logistical problem of where to keep 700kgs of live rock "live" and still have room to build the tank. Anyway, I digress, I ended up killing the rock. Not the rock you understand but the bacteria that called the rock home, and starting again. This was all well and good, I adopted the steps outlined above and bacteria came to live in my rock again. I have a cryptic tank as part of the filtration. A cryptic tank is un-lit and is home to benthic creatures, creatures of the night. These typically are filter feeders like sponges and feather dusters etc etc..My cryptic tank has been wet for about a year, I have turned the rock that resides in the cryptic tank "live" but yet I have no sponges, I have no feather dusters.
If I had used "live" rock the cryptic tank would be teaming with life because of the bio diversity that live rock brings to the table. My tank is adequately filtered, i have suitable volumes of bacterial colonies...but I have no bio diversity.
When I get my ass into gear I will add some "live" rock...I will add some specific organisms to fill the void in my cryptic tank. Hopefully you will too, I know both of our tanks would benefit.
@Matt@Epo - I’m somewhat Gob-Smacked after reading your comments or as an Englishman cricketer “Knocked for Six”. I wouldn’t know where to start after that…..:blushing:
(25% convinced now I'm doing the right thing) My Jebao RW-8 and heater arrived this morning but I've placed them in the dry neglected sump, not planning anything this weekend - More time to ponder.
I wouldn’t know where to start after that…..
i doubt that the flow through your sump would get the chaeto to tumble
might need a well position small pump to assist