I've come across a question with my tank I don't know the answer too and I'm hoping someone out there does
How much flow / surface agitation should you have with floating plants?
Tank setup #1 (ref pic):
(Powerhead left side
Canister outflow right side)
Great water circulation
High water flow
Good CO2 distribution
Tank setup #2 (ref pic):
Low water circulation
No surface agitation
Not sure on CO2 distribution (guess is poor)
3 weeks ago I put 10 or so small frogbit in the tank to grow and over 3 days they just disappeared. I just bought some new frogbit in larger sizes as well as dwarf water lettuce. I've read that floating plants need low flow so I have just rigged up this DIY spray bar.There's now almost no surface agitation at all. I've also read that Angel fish & gouramis prefer low flow tanks and may be bothered by the power head and canister outflow if to strong. I'm running a Fluval 406 canister filter on full flow with both setups, but the spray bar greatly disperses the exit force of the flow. I also have 4 Lilypipes in every variation except the downward flow version (Haven't tried them though).
If I have no surface agitation will the fish have oxygen?
Will low currents reduce the circulation of the CO2/ effectiveness of the filter?
Should I just go back to my original setup? (I had tied the floating plants in place with fishing line successfully)
I also don't want to neglect the new plants that are growing and want to maximize their CO2.
Alternanthera reineckii Rosanervig
Ambulia (Limnophila sessiliflora)
What do you think the best combination of flow/ filter parts/ powerheads is for my aquarium with the floating plants?
Thank you for your assistance and insight.