Melanoidin malt substitute in Three Floyds Zombie Dust Clone

[Cobby]

Hi guys,I really want to brew the Zombie Dust, but my local shop doesn't have the Melanoidin and aromatic malt available.I have only amber and special B,is it possible to substitute with one of these two?
Thank you for your time.

Here is the recipe:

Batch Size: 6 gallons
Estimated Original Gravity: 1.065
Estimated Final Gravity: 1.018
Estimated Color: 8.5 SRM
Bitterness: 65.9 IBU
Mash Temp: 152 F

Ingredients Amount Item Type % or IBU
11.75 lb 2 Row (2.0 SRM) Grain 81.7 %
1.13 lb Munich Malt - 10L (10.0 SRM) Grain 7.8 %
0.50 lb Carafoam (2.0 SRM) Grain 3.5 %
0.50 lb Caramel/Crystal Malt - 60L (60.0 SRM) Grain 3.5 %
0.50 lb Melanoiden Malt (20.0 SRM) Grain 3.5 %
1.25 oz Citra [12.40%] (15 min) Hops 21.1 IBU
0.75 oz Citra [12.40%] (First Wort Hop) Hops 17.0 IBU
1.25 oz Citra [12.40%] (10 min) Hops 15.4 IBU
1.25 oz Citra [12.40%] (5 min) Hops 8.5 IBU
1.25 oz Citra [12.40%] (1 min) Hops 1.8 IBU
3.00 oz Citra [12.40%] (Dry Hop 5-7 days) Hops - (used to say 10, i use 5-7 now)
SafAle English Ale (S-04)
0r
Wyeast 1968

Thank you.

 

[thehaze]

You could use some very dark Munich or maybe a lower lovibond Amber malt. something like 20-30 L.

 

[Queequeg]

Weyermann Abbey malt if you can get it. Alternatively increase you Munich malt %. Perhaps 40% 2 row 4% Munich as the base.

 

[Cobby]

Thank you guys .