I've ordered from these guys three times, each time I ordered just macroalgae.
The first was positive, with one DOA (out of $80 of stuff) so I didn't bother telling them.
Second time, I only wanted *one* five dollar item, but wanted to make the $20 shipping worth it so I added some filler. For the item I wanted, they *shipped* it DOA - meaning every single leaf was not on the plant nor in the bag when it arrived. Just dead stalks.
One of the 'filler' items was DOA, and the other 'filler' item was the wrong thing *and* DOA. They told me they made a substitution since they were out of what I ordered. (I've heard of them doing this before).
So I received my $20 gift card (they don't refund the other $20 in shipping), and ordered the items again. This time their site was broken, so I put the gift card in the comments (along with 'PLEASE don't make any substitutions, and please don't ship in styrofoam'. I know they read the comments, because they used my gift card balance.
Well the order just arrived, and four of my five items were okay, but for the fifth item they made the *same* substitution and it was DOA again. Not worth paying another $20 in shipping to redeem my remaining gift card balance, so I'll just call it a (very minor) loss.
Just thought I'd share my experience for those of you who might actually spend *real* money with them.