Leah - I got all my macro algae from J&L. I have 3 different kinds, grape calupera, feather calupera and prolifera. I just asked for a bunch of each and they gave me a good amount so i just anchored it and soon it rooted into the sand.
H2oStable - Your horsies will love the plants you put in

mine are always hanging onto the grass and hunting for food

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