New plants, how much leaf loss to expect

I have started planting my tanks this summer. Most have come from the Internet as my LFS only has small plants and my main tank is 75g.

How much leaf melt or loss should be expected when moving plants to a new tank? Here are the specs....
75 gallon, large strong fish such as Angels, catfish, huge Pleco, RTS.
79-80 degrees, canister filter, 12000k LED, gravel and flourless mixed substrate, no CO2 added, using flourish 1-2 times per week.

-Elodea, eBay, doing well despite lack of staying in place.
-Huge mother plant Java fern, from a high tech tank locally on CL, doing well, I don't expect growth in this one.
-Huge mother plant crypt (unknown type), also from CL guy, several larger leaves off a day.
-Anubias, golden nana, Internet, tied to rocks and losing, melting leaves.
-Ludwigia repens, long stems 50ish, Internet. Lost most all leaves and only tops are regrowing ....so ugly and I am ready to trash this stuff but spent 30 bucks for it ️
-Large Amazon swords, just got these a few days ago off Internet, doing well so far.

 

Your lighting isn't great for plants. 5000 - 10000 K will grow plants, with 6500 K being ideal.

Often plants melt when put into a new tank. They need a few days to adjust.

 

So my lighting is too strong?

 

So my lighting is too strong?

The color temperature is too high, essentially meaning the lighting is too blue and doesn't fall in the spectrum of actual sunlight.

 

Go florescent

 

Stay with LEDs!

 

Regarding the ludwigia: cut the tops off the long stems, leaving enough so you can plant the cuttings individually. Separate the "stumps," separate them and plant them individually, too. Eventually, the stumps will grow new leaves and look rather nice. The cuttings should continue to grow well, too. Remember that ludwigia once it gets a good foothold, will need regular pruning to keep it from getting out of control.

Of all your plants I feel you have adequate lighting. You may want to anchor the strands of elodea (anacharis) with plant weights. It is often just grown as a floating plant, but it really does well anchored in substrate and puts out good strong roots.

I'm sure there are lighting purists who'll disagree with me regarding your aquarium lights, but you should be OK. Still, adding a source of yellow light (regular energy saving florescent bulbs, the type used in living room lamps) are easy and inexpensive to clamp on to the back of tanks. Just don't buy anything stronger that 75 watts (to prevent them from being a fire hazard). Good luck.

 

I'm sure there are lighting purists who'll disagree with me regarding your aquarium lights, but you should be OK. Still, adding a source of yellow light (regular energy saving florescent bulbs, the type used in living room lamps) are easy and inexpensive to clamp on to the back of tanks. Just don't buy anything stronger that 75 watts (to prevent them from being a fire hazard). Good luck.

I successfully grew plants with an 18000K bulb, so I'm not really one to comment! None of these species though.

Edit: It may be the strength of the LED is just not enough...

 

I am adding my old aqueon LED fixture with a single white LED strip.

 

octavio thanks for the response and tips with the ludwigia. My elodea won't stay planted even with weights and planters! I blame my Pleco and synodontis who fight for using these as hiding spots....they uproot them every night.

 

Go florescent

I agree the fluorescents may be the way to go (at least we know how to use them) but I have invested decent cash in LED so they stay