I thought I would take a stab at auto-dosing - and set out to acquire the goods...
- 2x Tom Aquatics Aqua Lifter (pumps to move water)
- Various piping pieces to Tee from the outflow of one of my canisters
- Check Valves
- 2x reservoirs (micro/macro)
- 2x digital times that could run that run 1 minute intervals
First step was to test the aqua lifters to with the timer to see how much water is moved in one minute... after a number of tests, things seemed to settle at 225ml/min.
Next step was to modify my plumbing. Basically just added a Tee in one of my canister outflows - running a 3/16 line in to add the ferts from the aqua lifter. With one setup for testing - it looked like this:
Well - ends up the these little aqua lifters don't have enough power to push the water into the outflow. I guess the outflow creates too much back pressure for these little things to deal with... If I blow in the end of the tube I get air out of the filter, but no liquid...
So I guess I will either need to run the lines up the back of the aquarium directly into the tank or find a more powerful pump... Ughhh
Seemed like a good idea...