diff -r 082c23b26055 -r d4246abee34e www/rec_print.php
--- a/www/rec_print.php	Mon Nov 12 16:34:43 2018 +0100
+++ b/www/rec_print.php	Mon Nov 12 22:47:49 2018 +0100
@@ -204,34 +204,11 @@
 			$cost_hops += $cost;
 			$total_hops += $amount;
 
-			$fmoment  = 1.0;
 			$moment = hop_useat_names($useat);
-			if (($useat == "Dry Hop") || ($useat == "Dry hop")) {
-				$fmoment = 0.0;
-			} else if ($useat == "Whirlpool") {
-				$fmoment = 0.0;
-			} else if ($useat == "Mash") {
-				$fmoment = 0.7;		// Brouwhulp
-			} else if (($useat == "First Wort") || ($useat == "First wort")) {
-				$fmoment = 1.1;		// Brouwhulp, Louis, Ozzie
-			} else if ($useat == "Aroma") {
-				$fmoment = 0.0;		// Brouwhulp 1.0 redeneert vlamuit.
-			} else if ($useat == "Boil") {
-				$fmoment  = 1.0;
+			if ($useat == "Boil") {
 				$moment   = "Kook@".$time;
 			}
-
-			$pfactor  = 1.0;
-			if ($form == "Pellet") {
-				$pfactor = 1.1;
-			}
-
-			/* Tinseth only for now */
-			$AddedAlphaAcids = (($alpha / 100) * $mass * 1000) / floatval($row['batch_size']);
-			$Bigness_factor = 1.65 * pow( 0.000125, floatval($row['est_og']) - 1);
-			$BoilTime_factor = ((1 - exp(-0.04 * $time)) / 4.15);
-			$utiisation = $Bigness_factor * $BoilTime_factor;
-			$ibu = (round($utiisation * $AddedAlphaAcids * $fmoment * $pfactor * 10) / 10.0);
+			$ibu = calc_IBU($useat, $form, floatval($row['est_og']), floatval($row['batch_size']), $mass, $time, $alpha, $row['ibu_method']);
 
 			$this->Cell($vul,5,$name,0,0,'L',true);
 			$this->Cell(35,5,$origin,0,0,'L',true);